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Finding the Fourth Proportional to 117,054,013.20, 175,581,019.80 and 59,658,385.20

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Solution

The fourth proportional to 117,054,013.20, 175,581,019.80 and 59,658,385.20 is: 89,487,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,054,013.20 : 175,581,019.80 = 59,658,385.20 : x
  2. Step 2: Convert to fraction form
    117,054,013.20/175,581,019.80 = 59,658,385.20/x
  3. Step 3: Cross multiply
    117,054,013.20x = 175,581,019.80 × 59,658,385.20
  4. Step 4: Simplify right side
    117,054,013.20x = 10,474,880,113,037,228
  5. Step 5: Solve for x
    x = 10,474,880,113,037,228/117,054,013.20
  6. Step 6: Final answer
    x = 89,487,577.80

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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.