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Finding the Fourth Proportional to 255,169.98, 352,178.28 and 147,806.10

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Solution

The fourth proportional to 255,169.98, 352,178.28 and 147,806.10 is: 203,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,169.98 : 352,178.28 = 147,806.10 : x
  2. Step 2: Convert to fraction form
    255,169.98/352,178.28 = 147,806.10/x
  3. Step 3: Cross multiply
    255,169.98x = 352,178.28 × 147,806.10
  4. Step 4: Simplify right side
    255,169.98x = 52,054,098,071.51
  5. Step 5: Solve for x
    x = 52,054,098,071.51/255,169.98
  6. Step 6: Final answer
    x = 203,997.74

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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.