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Finding the Fourth Proportional to 64,751,280.40, 97,126,920.60 and 32,502,653.20

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Solution

The fourth proportional to 64,751,280.40, 97,126,920.60 and 32,502,653.20 is: 48,753,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,751,280.40 : 97,126,920.60 = 32,502,653.20 : x
  2. Step 2: Convert to fraction form
    64,751,280.40/97,126,920.60 = 32,502,653.20/x
  3. Step 3: Cross multiply
    64,751,280.40x = 97,126,920.60 × 32,502,653.20
  4. Step 4: Simplify right side
    64,751,280.40x = 3,156,882,616,645,735.50
  5. Step 5: Solve for x
    x = 3,156,882,616,645,735.50/64,751,280.40
  6. Step 6: Final answer
    x = 48,753,979.80

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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.