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Finding the Fourth Proportional to 225,247.60, 310,792.08 and 134,590

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Solution

The fourth proportional to 225,247.60, 310,792.08 and 134,590 is: 185,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,247.60 : 310,792.08 = 134,590 : x
  2. Step 2: Convert to fraction form
    225,247.60/310,792.08 = 134,590/x
  3. Step 3: Cross multiply
    225,247.60x = 310,792.08 × 134,590
  4. Step 4: Simplify right side
    225,247.60x = 41,829,506,047.20
  5. Step 5: Solve for x
    x = 41,829,506,047.20/225,247.60
  6. Step 6: Final answer
    x = 185,704.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.