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Finding the Fourth Proportional to 107,068.30, 160,541.70 and 40,510.60

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Solution

The fourth proportional to 107,068.30, 160,541.70 and 40,510.60 is: 60,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,068.30 : 160,541.70 = 40,510.60 : x
  2. Step 2: Convert to fraction form
    107,068.30/160,541.70 = 40,510.60/x
  3. Step 3: Cross multiply
    107,068.30x = 160,541.70 × 40,510.60
  4. Step 4: Simplify right side
    107,068.30x = 6,503,640,592.02
  5. Step 5: Solve for x
    x = 6,503,640,592.02/107,068.30
  6. Step 6: Final answer
    x = 60,742.91

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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.