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Finding the Fourth Proportional to 157,854.38, 236,801.70 and 72,444.51

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Solution

The fourth proportional to 157,854.38, 236,801.70 and 72,444.51 is: 108,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,854.38 : 236,801.70 = 72,444.51 : x
  2. Step 2: Convert to fraction form
    157,854.38/236,801.70 = 72,444.51/x
  3. Step 3: Cross multiply
    157,854.38x = 236,801.70 × 72,444.51
  4. Step 4: Simplify right side
    157,854.38x = 17,154,983,123.67
  5. Step 5: Solve for x
    x = 17,154,983,123.67/157,854.38
  6. Step 6: Final answer
    x = 108,676.01

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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.