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Finding the Fourth Proportional to 181,367.76, 249,674.76 and 149,486.16

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Solution

The fourth proportional to 181,367.76, 249,674.76 and 149,486.16 is: 205,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,367.76 : 249,674.76 = 149,486.16 : x
  2. Step 2: Convert to fraction form
    181,367.76/249,674.76 = 149,486.16/x
  3. Step 3: Cross multiply
    181,367.76x = 249,674.76 × 149,486.16
  4. Step 4: Simplify right side
    181,367.76x = 37,322,921,121.32
  5. Step 5: Solve for x
    x = 37,322,921,121.32/181,367.76
  6. Step 6: Final answer
    x = 205,785.86

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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.