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Finding the Fourth Proportional to 207,060.60, 310,597.80 and 57,288.36

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Solution

The fourth proportional to 207,060.60, 310,597.80 and 57,288.36 is: 85,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,060.60 : 310,597.80 = 57,288.36 : x
  2. Step 2: Convert to fraction form
    207,060.60/310,597.80 = 57,288.36/x
  3. Step 3: Cross multiply
    207,060.60x = 310,597.80 × 57,288.36
  4. Step 4: Simplify right side
    207,060.60x = 17,793,638,581.61
  5. Step 5: Solve for x
    x = 17,793,638,581.61/207,060.60
  6. Step 6: Final answer
    x = 85,934.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.