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Finding the Fourth Proportional to 98,323,400.70, 137,397,669.30 and 98,323,400.70

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Solution

The fourth proportional to 98,323,400.70, 137,397,669.30 and 98,323,400.70 is: 137,397,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,323,400.70 : 137,397,669.30 = 98,323,400.70 : x
  2. Step 2: Convert to fraction form
    98,323,400.70/137,397,669.30 = 98,323,400.70/x
  3. Step 3: Cross multiply
    98,323,400.70x = 137,397,669.30 × 98,323,400.70
  4. Step 4: Simplify right side
    98,323,400.70x = 13,509,406,093,829,990
  5. Step 5: Solve for x
    x = 13,509,406,093,829,990/98,323,400.70
  6. Step 6: Final answer
    x = 137,397,669.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.