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Finding the Fourth Proportional to 101,312.40, 151,968.60 and 26,432.40

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Solution

The fourth proportional to 101,312.40, 151,968.60 and 26,432.40 is: 39,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,312.40 : 151,968.60 = 26,432.40 : x
  2. Step 2: Convert to fraction form
    101,312.40/151,968.60 = 26,432.40/x
  3. Step 3: Cross multiply
    101,312.40x = 151,968.60 × 26,432.40
  4. Step 4: Simplify right side
    101,312.40x = 4,016,894,822.64
  5. Step 5: Solve for x
    x = 4,016,894,822.64/101,312.40
  6. Step 6: Final answer
    x = 39,648.60

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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.