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Finding the Fourth Proportional to 65,116.60, 97,718.10 and 37,036.60

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Solution

The fourth proportional to 65,116.60, 97,718.10 and 37,036.60 is: 55,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,116.60 : 97,718.10 = 37,036.60 : x
  2. Step 2: Convert to fraction form
    65,116.60/97,718.10 = 37,036.60/x
  3. Step 3: Cross multiply
    65,116.60x = 97,718.10 × 37,036.60
  4. Step 4: Simplify right side
    65,116.60x = 3,619,146,182.46
  5. Step 5: Solve for x
    x = 3,619,146,182.46/65,116.60
  6. Step 6: Final answer
    x = 55,579.47

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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.