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Finding the Fourth Proportional to 152,840.80, 229,066.80 and 73,784.80

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Solution

The fourth proportional to 152,840.80, 229,066.80 and 73,784.80 is: 110,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,840.80 : 229,066.80 = 73,784.80 : x
  2. Step 2: Convert to fraction form
    152,840.80/229,066.80 = 73,784.80/x
  3. Step 3: Cross multiply
    152,840.80x = 229,066.80 × 73,784.80
  4. Step 4: Simplify right side
    152,840.80x = 16,901,648,024.64
  5. Step 5: Solve for x
    x = 16,901,648,024.64/152,840.80
  6. Step 6: Final answer
    x = 110,583.35

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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.