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Finding the Fourth Proportional to 181,063.89, 249,810.21 and 104,572.89

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Solution

The fourth proportional to 181,063.89, 249,810.21 and 104,572.89 is: 144,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,063.89 : 249,810.21 = 104,572.89 : x
  2. Step 2: Convert to fraction form
    181,063.89/249,810.21 = 104,572.89/x
  3. Step 3: Cross multiply
    181,063.89x = 249,810.21 × 104,572.89
  4. Step 4: Simplify right side
    181,063.89x = 26,123,375,611.21
  5. Step 5: Solve for x
    x = 26,123,375,611.21/181,063.89
  6. Step 6: Final answer
    x = 144,277.11

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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.