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Finding the Fourth Proportional to 157,620.92, 237,484.34 and 142,648.16

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Solution

The fourth proportional to 157,620.92, 237,484.34 and 142,648.16 is: 214,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,620.92 : 237,484.34 = 142,648.16 : x
  2. Step 2: Convert to fraction form
    157,620.92/237,484.34 = 142,648.16/x
  3. Step 3: Cross multiply
    157,620.92x = 237,484.34 × 142,648.16
  4. Step 4: Simplify right side
    157,620.92x = 33,876,704,129.81
  5. Step 5: Solve for x
    x = 33,876,704,129.81/157,620.92
  6. Step 6: Final answer
    x = 214,925.18

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.