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Finding the Fourth Proportional to 157,386, 236,125.24 and 46,580.88

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Solution

The fourth proportional to 157,386, 236,125.24 and 46,580.88 is: 69,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,386 : 236,125.24 = 46,580.88 : x
  2. Step 2: Convert to fraction form
    157,386/236,125.24 = 46,580.88/x
  3. Step 3: Cross multiply
    157,386x = 236,125.24 × 46,580.88
  4. Step 4: Simplify right side
    157,386x = 10,998,921,469.41
  5. Step 5: Solve for x
    x = 10,998,921,469.41/157,386
  6. Step 6: Final answer
    x = 69,885.01

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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.