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Finding the Fourth Proportional to 88,129,323.40, 131,895,386.70 and 88,129,323.40

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Solution

The fourth proportional to 88,129,323.40, 131,895,386.70 and 88,129,323.40 is: 131,895,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129,323.40 : 131,895,386.70 = 88,129,323.40 : x
  2. Step 2: Convert to fraction form
    88,129,323.40/131,895,386.70 = 88,129,323.40/x
  3. Step 3: Cross multiply
    88,129,323.40x = 131,895,386.70 × 88,129,323.40
  4. Step 4: Simplify right side
    88,129,323.40x = 11,623,851,189,452,360
  5. Step 5: Solve for x
    x = 11,623,851,189,452,360/88,129,323.40
  6. Step 6: Final answer
    x = 131,895,386.70

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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.