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Finding the Fourth Proportional to 370,242.81, 555,385.76 and 104,024.07

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Solution

The fourth proportional to 370,242.81, 555,385.76 and 104,024.07 is: 156,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,242.81 : 555,385.76 = 104,024.07 : x
  2. Step 2: Convert to fraction form
    370,242.81/555,385.76 = 104,024.07/x
  3. Step 3: Cross multiply
    370,242.81x = 555,385.76 × 104,024.07
  4. Step 4: Simplify right side
    370,242.81x = 57,773,486,655.12
  5. Step 5: Solve for x
    x = 57,773,486,655.12/370,242.81
  6. Step 6: Final answer
    x = 156,042.16

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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.