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Finding the Fourth Proportional to 99,649,059.60, 149,473,589.40 and 99,649,059.60

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Solution

The fourth proportional to 99,649,059.60, 149,473,589.40 and 99,649,059.60 is: 149,473,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,059.60 : 149,473,589.40 = 99,649,059.60 : x
  2. Step 2: Convert to fraction form
    99,649,059.60/149,473,589.40 = 99,649,059.60/x
  3. Step 3: Cross multiply
    99,649,059.60x = 149,473,589.40 × 99,649,059.60
  4. Step 4: Simplify right side
    99,649,059.60x = 14,894,902,618,746,528
  5. Step 5: Solve for x
    x = 14,894,902,618,746,528/99,649,059.60
  6. Step 6: Final answer
    x = 149,473,589.40

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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.