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Finding the Fourth Proportional to 110,355.25, 152,279.71 and 61,946.10

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Solution

The fourth proportional to 110,355.25, 152,279.71 and 61,946.10 is: 85,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,355.25 : 152,279.71 = 61,946.10 : x
  2. Step 2: Convert to fraction form
    110,355.25/152,279.71 = 61,946.10/x
  3. Step 3: Cross multiply
    110,355.25x = 152,279.71 × 61,946.10
  4. Step 4: Simplify right side
    110,355.25x = 9,433,134,143.63
  5. Step 5: Solve for x
    x = 9,433,134,143.63/110,355.25
  6. Step 6: Final answer
    x = 85,479.70

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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.