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Finding the Fourth Proportional to 181,172.40, 249,961.84 and 104,663.57

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Solution

The fourth proportional to 181,172.40, 249,961.84 and 104,663.57 is: 144,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,172.40 : 249,961.84 = 104,663.57 : x
  2. Step 2: Convert to fraction form
    181,172.40/249,961.84 = 104,663.57/x
  3. Step 3: Cross multiply
    181,172.40x = 249,961.84 × 104,663.57
  4. Step 4: Simplify right side
    181,172.40x = 26,161,898,901.41
  5. Step 5: Solve for x
    x = 26,161,898,901.41/181,172.40
  6. Step 6: Final answer
    x = 144,403.34

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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.