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Finding the Fourth Proportional to 170,877.47, 256,170.80 and 104,364.25

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Solution

The fourth proportional to 170,877.47, 256,170.80 and 104,364.25 is: 156,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,877.47 : 256,170.80 = 104,364.25 : x
  2. Step 2: Convert to fraction form
    170,877.47/256,170.80 = 104,364.25/x
  3. Step 3: Cross multiply
    170,877.47x = 256,170.80 × 104,364.25
  4. Step 4: Simplify right side
    170,877.47x = 26,735,073,034.38
  5. Step 5: Solve for x
    x = 26,735,073,034.38/170,877.47
  6. Step 6: Final answer
    x = 156,457.57

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1.5x scale

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.