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Finding the Fourth Proportional to 96,770.60, 144,864.30 and 85,106.60

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Solution

The fourth proportional to 96,770.60, 144,864.30 and 85,106.60 is: 127,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,770.60 : 144,864.30 = 85,106.60 : x
  2. Step 2: Convert to fraction form
    96,770.60/144,864.30 = 85,106.60/x
  3. Step 3: Cross multiply
    96,770.60x = 144,864.30 × 85,106.60
  4. Step 4: Simplify right side
    96,770.60x = 12,328,908,034.38
  5. Step 5: Solve for x
    x = 12,328,908,034.38/96,770.60
  6. Step 6: Final answer
    x = 127,403.45

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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.