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Finding the Fourth Proportional to 188,666.32, 260,375.16 and 103,798.84

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Solution

The fourth proportional to 188,666.32, 260,375.16 and 103,798.84 is: 143,251.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,666.32 : 260,375.16 = 103,798.84 : x
  2. Step 2: Convert to fraction form
    188,666.32/260,375.16 = 103,798.84/x
  3. Step 3: Cross multiply
    188,666.32x = 260,375.16 × 103,798.84
  4. Step 4: Simplify right side
    188,666.32x = 27,026,639,572.81
  5. Step 5: Solve for x
    x = 27,026,639,572.81/188,666.32
  6. Step 6: Final answer
    x = 143,251.00

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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.