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Finding the Fourth Proportional to 166,547.93, 249,698.77 and 86,470.92

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Solution

The fourth proportional to 166,547.93, 249,698.77 and 86,470.92 is: 129,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,547.93 : 249,698.77 = 86,470.92 : x
  2. Step 2: Convert to fraction form
    166,547.93/249,698.77 = 86,470.92/x
  3. Step 3: Cross multiply
    166,547.93x = 249,698.77 × 86,470.92
  4. Step 4: Simplify right side
    166,547.93x = 21,591,682,148.59
  5. Step 5: Solve for x
    x = 21,591,682,148.59/166,547.93
  6. Step 6: Final answer
    x = 129,642.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.