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Finding the Fourth Proportional to 114,458.46, 157,948.29 and 63,473.28

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Solution

The fourth proportional to 114,458.46, 157,948.29 and 63,473.28 is: 87,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,458.46 : 157,948.29 = 63,473.28 : x
  2. Step 2: Convert to fraction form
    114,458.46/157,948.29 = 63,473.28/x
  3. Step 3: Cross multiply
    114,458.46x = 157,948.29 × 63,473.28
  4. Step 4: Simplify right side
    114,458.46x = 10,025,496,036.69
  5. Step 5: Solve for x
    x = 10,025,496,036.69/114,458.46
  6. Step 6: Final answer
    x = 87,590.69

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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.