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Finding the Fourth Proportional to 261,242.39, 392,038.34 and 95,030.39

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Solution

The fourth proportional to 261,242.39, 392,038.34 and 95,030.39 is: 142,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,242.39 : 392,038.34 = 95,030.39 : x
  2. Step 2: Convert to fraction form
    261,242.39/392,038.34 = 95,030.39/x
  3. Step 3: Cross multiply
    261,242.39x = 392,038.34 × 95,030.39
  4. Step 4: Simplify right side
    261,242.39x = 37,255,556,345.15
  5. Step 5: Solve for x
    x = 37,255,556,345.15/261,242.39
  6. Step 6: Final answer
    x = 142,609.15

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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.