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Finding the Fourth Proportional to 92,034.30, 138,051.45 and 64,040.70

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Solution

The fourth proportional to 92,034.30, 138,051.45 and 64,040.70 is: 96,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,034.30 : 138,051.45 = 64,040.70 : x
  2. Step 2: Convert to fraction form
    92,034.30/138,051.45 = 64,040.70/x
  3. Step 3: Cross multiply
    92,034.30x = 138,051.45 × 64,040.70
  4. Step 4: Simplify right side
    92,034.30x = 8,840,911,494.02
  5. Step 5: Solve for x
    x = 8,840,911,494.02/92,034.30
  6. Step 6: Final answer
    x = 96,061.05

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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.