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Finding the Fourth Proportional to 314,908,861.80, 472,363,292.70 and 110,363,125.80

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Solution

The fourth proportional to 314,908,861.80, 472,363,292.70 and 110,363,125.80 is: 165,544,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,908,861.80 : 472,363,292.70 = 110,363,125.80 : x
  2. Step 2: Convert to fraction form
    314,908,861.80/472,363,292.70 = 110,363,125.80/x
  3. Step 3: Cross multiply
    314,908,861.80x = 472,363,292.70 × 110,363,125.80
  4. Step 4: Simplify right side
    314,908,861.80x = 52,131,489,495,552,320
  5. Step 5: Solve for x
    x = 52,131,489,495,552,320/314,908,861.80
  6. Step 6: Final answer
    x = 165,544,688.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.