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Finding the Fourth Proportional to 113,798.88, 157,049.28 and 63,501.12

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Solution

The fourth proportional to 113,798.88, 157,049.28 and 63,501.12 is: 87,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,798.88 : 157,049.28 = 63,501.12 : x
  2. Step 2: Convert to fraction form
    113,798.88/157,049.28 = 63,501.12/x
  3. Step 3: Cross multiply
    113,798.88x = 157,049.28 × 63,501.12
  4. Step 4: Simplify right side
    113,798.88x = 9,972,805,175.19
  5. Step 5: Solve for x
    x = 9,972,805,175.19/113,798.88
  6. Step 6: Final answer
    x = 87,635.35

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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.