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Finding the Fourth Proportional to 147,417.71, 203,437.04 and 83,759.00

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Solution

The fourth proportional to 147,417.71, 203,437.04 and 83,759.00 is: 115,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,417.71 : 203,437.04 = 83,759.00 : x
  2. Step 2: Convert to fraction form
    147,417.71/203,437.04 = 83,759.00/x
  3. Step 3: Cross multiply
    147,417.71x = 203,437.04 × 83,759.00
  4. Step 4: Simplify right side
    147,417.71x = 17,039,681,597.38
  5. Step 5: Solve for x
    x = 17,039,681,597.38/147,417.71
  6. Step 6: Final answer
    x = 115,587.76

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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.