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Finding the Fourth Proportional to 106,948.80, 160,423.20 and 101,246.40

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Solution

The fourth proportional to 106,948.80, 160,423.20 and 101,246.40 is: 151,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,948.80 : 160,423.20 = 101,246.40 : x
  2. Step 2: Convert to fraction form
    106,948.80/160,423.20 = 101,246.40/x
  3. Step 3: Cross multiply
    106,948.80x = 160,423.20 × 101,246.40
  4. Step 4: Simplify right side
    106,948.80x = 16,242,271,476.48
  5. Step 5: Solve for x
    x = 16,242,271,476.48/106,948.80
  6. Step 6: Final answer
    x = 151,869.60

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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.