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Finding the Fourth Proportional to 88,452,602.80, 132,678,904.20 and 45,307,466.80

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Solution

The fourth proportional to 88,452,602.80, 132,678,904.20 and 45,307,466.80 is: 67,961,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,452,602.80 : 132,678,904.20 = 45,307,466.80 : x
  2. Step 2: Convert to fraction form
    88,452,602.80/132,678,904.20 = 45,307,466.80/x
  3. Step 3: Cross multiply
    88,452,602.80x = 132,678,904.20 × 45,307,466.80
  4. Step 4: Simplify right side
    88,452,602.80x = 6,011,345,047,101,880
  5. Step 5: Solve for x
    x = 6,011,345,047,101,880/88,452,602.80
  6. Step 6: Final answer
    x = 67,961,200.20

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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.