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Finding the Fourth Proportional to 129,246.88, 178,292.24 and 97,360.24

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Solution

The fourth proportional to 129,246.88, 178,292.24 and 97,360.24 is: 134,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,246.88 : 178,292.24 = 97,360.24 : x
  2. Step 2: Convert to fraction form
    129,246.88/178,292.24 = 97,360.24/x
  3. Step 3: Cross multiply
    129,246.88x = 178,292.24 × 97,360.24
  4. Step 4: Simplify right side
    129,246.88x = 17,358,575,276.54
  5. Step 5: Solve for x
    x = 17,358,575,276.54/129,246.88
  6. Step 6: Final answer
    x = 134,305.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.