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Finding the Fourth Proportional to 247,804.16, 341,968.80 and 140,373.76

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Solution

The fourth proportional to 247,804.16, 341,968.80 and 140,373.76 is: 193,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,804.16 : 341,968.80 = 140,373.76 : x
  2. Step 2: Convert to fraction form
    247,804.16/341,968.80 = 140,373.76/x
  3. Step 3: Cross multiply
    247,804.16x = 341,968.80 × 140,373.76
  4. Step 4: Simplify right side
    247,804.16x = 48,003,446,258.69
  5. Step 5: Solve for x
    x = 48,003,446,258.69/247,804.16
  6. Step 6: Final answer
    x = 193,715.26

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1.5x scale

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.