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Finding the Fourth Proportional to 76,608,966.79, 114,912,692.88 and 35,098,068.34

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Solution

The fourth proportional to 76,608,966.79, 114,912,692.88 and 35,098,068.34 is: 52,646,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,608,966.79 : 114,912,692.88 = 35,098,068.34 : x
  2. Step 2: Convert to fraction form
    76,608,966.79/114,912,692.88 = 35,098,068.34/x
  3. Step 3: Cross multiply
    76,608,966.79x = 114,912,692.88 × 35,098,068.34
  4. Step 4: Simplify right side
    76,608,966.79x = 4,033,213,547,835,671.50
  5. Step 5: Solve for x
    x = 4,033,213,547,835,671.50/76,608,966.79
  6. Step 6: Final answer
    x = 52,646,755.55

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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.