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Finding the Fourth Proportional to 105,003.40, 157,505.10 and 88,600.90

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Solution

The fourth proportional to 105,003.40, 157,505.10 and 88,600.90 is: 132,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,003.40 : 157,505.10 = 88,600.90 : x
  2. Step 2: Convert to fraction form
    105,003.40/157,505.10 = 88,600.90/x
  3. Step 3: Cross multiply
    105,003.40x = 157,505.10 × 88,600.90
  4. Step 4: Simplify right side
    105,003.40x = 13,955,093,614.59
  5. Step 5: Solve for x
    x = 13,955,093,614.59/105,003.40
  6. Step 6: Final answer
    x = 132,901.35

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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.