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Finding the Fourth Proportional to 64,062.60, 96,574.44 and 59,781

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Solution

The fourth proportional to 64,062.60, 96,574.44 and 59,781 is: 90,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,062.60 : 96,574.44 = 59,781 : x
  2. Step 2: Convert to fraction form
    64,062.60/96,574.44 = 59,781/x
  3. Step 3: Cross multiply
    64,062.60x = 96,574.44 × 59,781
  4. Step 4: Simplify right side
    64,062.60x = 5,773,316,597.64
  5. Step 5: Solve for x
    x = 5,773,316,597.64/64,062.60
  6. Step 6: Final answer
    x = 90,119.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.