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Finding the Fourth Proportional to 180,274.65, 248,776.80 and 99,700.71

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Solution

The fourth proportional to 180,274.65, 248,776.80 and 99,700.71 is: 137,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,274.65 : 248,776.80 = 99,700.71 : x
  2. Step 2: Convert to fraction form
    180,274.65/248,776.80 = 99,700.71/x
  3. Step 3: Cross multiply
    180,274.65x = 248,776.80 × 99,700.71
  4. Step 4: Simplify right side
    180,274.65x = 24,803,223,591.53
  5. Step 5: Solve for x
    x = 24,803,223,591.53/180,274.65
  6. Step 6: Final answer
    x = 137,585.75

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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.