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Finding the Fourth Proportional to 137,829,398.94, 206,776,259.64 and 45,706,397.94

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Solution

The fourth proportional to 137,829,398.94, 206,776,259.64 and 45,706,397.94 is: 68,570,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,829,398.94 : 206,776,259.64 = 45,706,397.94 : x
  2. Step 2: Convert to fraction form
    137,829,398.94/206,776,259.64 = 45,706,397.94/x
  3. Step 3: Cross multiply
    137,829,398.94x = 206,776,259.64 × 45,706,397.94
  4. Step 4: Simplify right side
    137,829,398.94x = 9,450,998,007,650,600
  5. Step 5: Solve for x
    x = 9,450,998,007,650,600/137,829,398.94
  6. Step 6: Final answer
    x = 68,570,262.08

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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.