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Finding the Fourth Proportional to 249,998,209.96, 375,005,819.51 and 118,772,761.09

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Solution

The fourth proportional to 249,998,209.96, 375,005,819.51 and 118,772,761.09 is: 178,163,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,998,209.96 : 375,005,819.51 = 118,772,761.09 : x
  2. Step 2: Convert to fraction form
    249,998,209.96/375,005,819.51 = 118,772,761.09/x
  3. Step 3: Cross multiply
    249,998,209.96x = 375,005,819.51 × 118,772,761.09
  4. Step 4: Simplify right side
    249,998,209.96x = 44,540,476,607,639,920
  5. Step 5: Solve for x
    x = 44,540,476,607,639,920/249,998,209.96
  6. Step 6: Final answer
    x = 178,163,182.11

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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.