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Finding the Fourth Proportional to 92,030.80, 138,046.20 and 32,868.40

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Solution

The fourth proportional to 92,030.80, 138,046.20 and 32,868.40 is: 49,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,030.80 : 138,046.20 = 32,868.40 : x
  2. Step 2: Convert to fraction form
    92,030.80/138,046.20 = 32,868.40/x
  3. Step 3: Cross multiply
    92,030.80x = 138,046.20 × 32,868.40
  4. Step 4: Simplify right side
    92,030.80x = 4,537,357,720.08
  5. Step 5: Solve for x
    x = 4,537,357,720.08/92,030.80
  6. Step 6: Final answer
    x = 49,302.60

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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.