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Finding the Fourth Proportional to 114,030.52, 157,371.80 and 66,280.82

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Solution

The fourth proportional to 114,030.52, 157,371.80 and 66,280.82 is: 91,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,030.52 : 157,371.80 = 66,280.82 : x
  2. Step 2: Convert to fraction form
    114,030.52/157,371.80 = 66,280.82/x
  3. Step 3: Cross multiply
    114,030.52x = 157,371.80 × 66,280.82
  4. Step 4: Simplify right side
    114,030.52x = 10,430,730,830.61
  5. Step 5: Solve for x
    x = 10,430,730,830.61/114,030.52
  6. Step 6: Final answer
    x = 91,473.15

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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.