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Finding the Fourth Proportional to 88,048.40, 131,975.40 and 48,633.80

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Solution

The fourth proportional to 88,048.40, 131,975.40 and 48,633.80 is: 72,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,048.40 : 131,975.40 = 48,633.80 : x
  2. Step 2: Convert to fraction form
    88,048.40/131,975.40 = 48,633.80/x
  3. Step 3: Cross multiply
    88,048.40x = 131,975.40 × 48,633.80
  4. Step 4: Simplify right side
    88,048.40x = 6,418,465,208.52
  5. Step 5: Solve for x
    x = 6,418,465,208.52/88,048.40
  6. Step 6: Final answer
    x = 72,897.01

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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.