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Finding the Fourth Proportional to 88,090,718.40, 132,136,077.60 and 88,090,718.40

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Solution

The fourth proportional to 88,090,718.40, 132,136,077.60 and 88,090,718.40 is: 132,136,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,090,718.40 : 132,136,077.60 = 88,090,718.40 : x
  2. Step 2: Convert to fraction form
    88,090,718.40/132,136,077.60 = 88,090,718.40/x
  3. Step 3: Cross multiply
    88,090,718.40x = 132,136,077.60 × 88,090,718.40
  4. Step 4: Simplify right side
    88,090,718.40x = 11,639,962,002,342,148
  5. Step 5: Solve for x
    x = 11,639,962,002,342,148/88,090,718.40
  6. Step 6: Final answer
    x = 132,136,077.60

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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.