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Finding the Fourth Proportional to 60,894,379.40, 91,341,569.10 and 15,456,173.90

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Solution

The fourth proportional to 60,894,379.40, 91,341,569.10 and 15,456,173.90 is: 23,184,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,894,379.40 : 91,341,569.10 = 15,456,173.90 : x
  2. Step 2: Convert to fraction form
    60,894,379.40/91,341,569.10 = 15,456,173.90/x
  3. Step 3: Cross multiply
    60,894,379.40x = 91,341,569.10 × 15,456,173.90
  4. Step 4: Simplify right side
    60,894,379.40x = 1,411,791,176,308,466.50
  5. Step 5: Solve for x
    x = 1,411,791,176,308,466.50/60,894,379.40
  6. Step 6: Final answer
    x = 23,184,260.85

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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.