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Finding the Fourth Proportional to 159,798.47, 239,804.63 and 66,304.22

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Solution

The fourth proportional to 159,798.47, 239,804.63 and 66,304.22 is: 99,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,798.47 : 239,804.63 = 66,304.22 : x
  2. Step 2: Convert to fraction form
    159,798.47/239,804.63 = 66,304.22/x
  3. Step 3: Cross multiply
    159,798.47x = 239,804.63 × 66,304.22
  4. Step 4: Simplify right side
    159,798.47x = 15,900,058,613.02
  5. Step 5: Solve for x
    x = 15,900,058,613.02/159,798.47
  6. Step 6: Final answer
    x = 99,500.69

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1.5x scale

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.