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Finding the Fourth Proportional to 292,360.08, 438,540.15 and 70,744.08

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Solution

The fourth proportional to 292,360.08, 438,540.15 and 70,744.08 is: 106,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,360.08 : 438,540.15 = 70,744.08 : x
  2. Step 2: Convert to fraction form
    292,360.08/438,540.15 = 70,744.08/x
  3. Step 3: Cross multiply
    292,360.08x = 438,540.15 × 70,744.08
  4. Step 4: Simplify right side
    292,360.08x = 31,024,119,454.81
  5. Step 5: Solve for x
    x = 31,024,119,454.81/292,360.08
  6. Step 6: Final answer
    x = 106,116.13

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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.