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Finding the Fourth Proportional to 67,068,000.60, 100,602,000.90 and 48,786,430.20

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Solution

The fourth proportional to 67,068,000.60, 100,602,000.90 and 48,786,430.20 is: 73,179,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,000.60 : 100,602,000.90 = 48,786,430.20 : x
  2. Step 2: Convert to fraction form
    67,068,000.60/100,602,000.90 = 48,786,430.20/x
  3. Step 3: Cross multiply
    67,068,000.60x = 100,602,000.90 × 48,786,430.20
  4. Step 4: Simplify right side
    67,068,000.60x = 4,908,012,494,888,188
  5. Step 5: Solve for x
    x = 4,908,012,494,888,188/67,068,000.60
  6. Step 6: Final answer
    x = 73,179,645.30

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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.