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Finding the Fourth Proportional to 187,223,569.60, 280,457,440.80 and 187,223,569.60

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Solution

The fourth proportional to 187,223,569.60, 280,457,440.80 and 187,223,569.60 is: 280,457,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,223,569.60 : 280,457,440.80 = 187,223,569.60 : x
  2. Step 2: Convert to fraction form
    187,223,569.60/280,457,440.80 = 187,223,569.60/x
  3. Step 3: Cross multiply
    187,223,569.60x = 280,457,440.80 × 187,223,569.60
  4. Step 4: Simplify right side
    187,223,569.60x = 52,508,243,187,456,680
  5. Step 5: Solve for x
    x = 52,508,243,187,456,680/187,223,569.60
  6. Step 6: Final answer
    x = 280,457,440.80

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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.