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Finding the Fourth Proportional to 157,504.86, 217,348.47 and 89,512.74

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Solution

The fourth proportional to 157,504.86, 217,348.47 and 89,512.74 is: 123,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,504.86 : 217,348.47 = 89,512.74 : x
  2. Step 2: Convert to fraction form
    157,504.86/217,348.47 = 89,512.74/x
  3. Step 3: Cross multiply
    157,504.86x = 217,348.47 × 89,512.74
  4. Step 4: Simplify right side
    157,504.86x = 19,455,457,084.51
  5. Step 5: Solve for x
    x = 19,455,457,084.51/157,504.86
  6. Step 6: Final answer
    x = 123,522.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.