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Finding the Fourth Proportional to 170,693.20, 256,039.80 and 117,549.10

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Solution

The fourth proportional to 170,693.20, 256,039.80 and 117,549.10 is: 176,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,693.20 : 256,039.80 = 117,549.10 : x
  2. Step 2: Convert to fraction form
    170,693.20/256,039.80 = 117,549.10/x
  3. Step 3: Cross multiply
    170,693.20x = 256,039.80 × 117,549.10
  4. Step 4: Simplify right side
    170,693.20x = 30,097,248,054.18
  5. Step 5: Solve for x
    x = 30,097,248,054.18/170,693.20
  6. Step 6: Final answer
    x = 176,323.65

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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.