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Finding the Fourth Proportional to 181,065.60, 249,900.48 and 105,614.04

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Solution

The fourth proportional to 181,065.60, 249,900.48 and 105,614.04 is: 145,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,065.60 : 249,900.48 = 105,614.04 : x
  2. Step 2: Convert to fraction form
    181,065.60/249,900.48 = 105,614.04/x
  3. Step 3: Cross multiply
    181,065.60x = 249,900.48 × 105,614.04
  4. Step 4: Simplify right side
    181,065.60x = 26,392,999,290.74
  5. Step 5: Solve for x
    x = 26,392,999,290.74/181,065.60
  6. Step 6: Final answer
    x = 145,764.85

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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.