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Finding the Fourth Proportional to 207,280.71, 286,047.72 and 116,641.71

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Solution

The fourth proportional to 207,280.71, 286,047.72 and 116,641.71 is: 160,965.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,280.71 : 286,047.72 = 116,641.71 : x
  2. Step 2: Convert to fraction form
    207,280.71/286,047.72 = 116,641.71/x
  3. Step 3: Cross multiply
    207,280.71x = 286,047.72 × 116,641.71
  4. Step 4: Simplify right side
    207,280.71x = 33,365,095,202.40
  5. Step 5: Solve for x
    x = 33,365,095,202.40/207,280.71
  6. Step 6: Final answer
    x = 160,965.75

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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.