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Finding the Fourth Proportional to 157,492.59, 236,349.59 and 142,435.10

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Solution

The fourth proportional to 157,492.59, 236,349.59 and 142,435.10 is: 213,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,492.59 : 236,349.59 = 142,435.10 : x
  2. Step 2: Convert to fraction form
    157,492.59/236,349.59 = 142,435.10/x
  3. Step 3: Cross multiply
    157,492.59x = 236,349.59 × 142,435.10
  4. Step 4: Simplify right side
    157,492.59x = 33,664,475,592.69
  5. Step 5: Solve for x
    x = 33,664,475,592.69/157,492.59
  6. Step 6: Final answer
    x = 213,752.76

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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.