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Finding the Fourth Proportional to 261,530.67, 392,159.72 and 93,026.54

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Solution

The fourth proportional to 261,530.67, 392,159.72 and 93,026.54 is: 139,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,530.67 : 392,159.72 = 93,026.54 : x
  2. Step 2: Convert to fraction form
    261,530.67/392,159.72 = 93,026.54/x
  3. Step 3: Cross multiply
    261,530.67x = 392,159.72 × 93,026.54
  4. Step 4: Simplify right side
    261,530.67x = 36,481,263,091.93
  5. Step 5: Solve for x
    x = 36,481,263,091.93/261,530.67
  6. Step 6: Final answer
    x = 139,491.34

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1.5x scale

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.