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Finding the Fourth Proportional to 114,023.20, 157,345.86 and 63,032.89

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Solution

The fourth proportional to 114,023.20, 157,345.86 and 63,032.89 is: 86,981.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,023.20 : 157,345.86 = 63,032.89 : x
  2. Step 2: Convert to fraction form
    114,023.20/157,345.86 = 63,032.89/x
  3. Step 3: Cross multiply
    114,023.20x = 157,345.86 × 63,032.89
  4. Step 4: Simplify right side
    114,023.20x = 9,917,964,285.34
  5. Step 5: Solve for x
    x = 9,917,964,285.34/114,023.20
  6. Step 6: Final answer
    x = 86,981.99

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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.