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Finding the Fourth Proportional to 89,740,276.80, 134,610,415.20 and 89,740,276.80

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Solution

The fourth proportional to 89,740,276.80, 134,610,415.20 and 89,740,276.80 is: 134,610,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,740,276.80 : 134,610,415.20 = 89,740,276.80 : x
  2. Step 2: Convert to fraction form
    89,740,276.80/134,610,415.20 = 89,740,276.80/x
  3. Step 3: Cross multiply
    89,740,276.80x = 134,610,415.20 × 89,740,276.80
  4. Step 4: Simplify right side
    89,740,276.80x = 12,079,975,920,210,926
  5. Step 5: Solve for x
    x = 12,079,975,920,210,926/89,740,276.80
  6. Step 6: Final answer
    x = 134,610,415.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.