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Finding the Fourth Proportional to 88,689,894.80, 133,034,842.20 and 64,314,467.60

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Solution

The fourth proportional to 88,689,894.80, 133,034,842.20 and 64,314,467.60 is: 96,471,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,689,894.80 : 133,034,842.20 = 64,314,467.60 : x
  2. Step 2: Convert to fraction form
    88,689,894.80/133,034,842.20 = 64,314,467.60/x
  3. Step 3: Cross multiply
    88,689,894.80x = 133,034,842.20 × 64,314,467.60
  4. Step 4: Simplify right side
    88,689,894.80x = 8,556,065,048,343,013
  5. Step 5: Solve for x
    x = 8,556,065,048,343,013/88,689,894.80
  6. Step 6: Final answer
    x = 96,471,701.40

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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.