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Finding the Fourth Proportional to 127,424.01, 191,159.06 and 52,502.48

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Solution

The fourth proportional to 127,424.01, 191,159.06 and 52,502.48 is: 78,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,424.01 : 191,159.06 = 52,502.48 : x
  2. Step 2: Convert to fraction form
    127,424.01/191,159.06 = 52,502.48/x
  3. Step 3: Cross multiply
    127,424.01x = 191,159.06 × 52,502.48
  4. Step 4: Simplify right side
    127,424.01x = 10,036,323,506.16
  5. Step 5: Solve for x
    x = 10,036,323,506.16/127,424.01
  6. Step 6: Final answer
    x = 78,763.21

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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.