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Finding the Fourth Proportional to 157,386.92, 235,992.90 and 63,783.32

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Solution

The fourth proportional to 157,386.92, 235,992.90 and 63,783.32 is: 95,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,386.92 : 235,992.90 = 63,783.32 : x
  2. Step 2: Convert to fraction form
    157,386.92/235,992.90 = 63,783.32/x
  3. Step 3: Cross multiply
    157,386.92x = 235,992.90 × 63,783.32
  4. Step 4: Simplify right side
    157,386.92x = 15,052,411,248.41
  5. Step 5: Solve for x
    x = 15,052,411,248.41/157,386.92
  6. Step 6: Final answer
    x = 95,639.53

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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.