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Finding the Fourth Proportional to 113,777.88, 157,013.54 and 63,476.88

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Solution

The fourth proportional to 113,777.88, 157,013.54 and 63,476.88 is: 87,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,777.88 : 157,013.54 = 63,476.88 : x
  2. Step 2: Convert to fraction form
    113,777.88/157,013.54 = 63,476.88/x
  3. Step 3: Cross multiply
    113,777.88x = 157,013.54 × 63,476.88
  4. Step 4: Simplify right side
    113,777.88x = 9,966,729,636.96
  5. Step 5: Solve for x
    x = 9,966,729,636.96/113,777.88
  6. Step 6: Final answer
    x = 87,598.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.