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Finding the Fourth Proportional to 292,544.26, 438,975.15 and 124,159.30

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Solution

The fourth proportional to 292,544.26, 438,975.15 and 124,159.30 is: 186,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,544.26 : 438,975.15 = 124,159.30 : x
  2. Step 2: Convert to fraction form
    292,544.26/438,975.15 = 124,159.30/x
  3. Step 3: Cross multiply
    292,544.26x = 438,975.15 × 124,159.30
  4. Step 4: Simplify right side
    292,544.26x = 54,502,847,341.40
  5. Step 5: Solve for x
    x = 54,502,847,341.40/292,544.26
  6. Step 6: Final answer
    x = 186,306.33

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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.