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Finding the Fourth Proportional to 114,445.95, 157,929.03 and 63,455.69

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Solution

The fourth proportional to 114,445.95, 157,929.03 and 63,455.69 is: 87,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,445.95 : 157,929.03 = 63,455.69 : x
  2. Step 2: Convert to fraction form
    114,445.95/157,929.03 = 63,455.69/x
  3. Step 3: Cross multiply
    114,445.95x = 157,929.03 × 63,455.69
  4. Step 4: Simplify right side
    114,445.95x = 10,021,494,780.04
  5. Step 5: Solve for x
    x = 10,021,494,780.04/114,445.95
  6. Step 6: Final answer
    x = 87,565.31

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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.