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Finding the Fourth Proportional to 130,402.33, 179,959.65 and 73,044.12

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Solution

The fourth proportional to 130,402.33, 179,959.65 and 73,044.12 is: 100,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,402.33 : 179,959.65 = 73,044.12 : x
  2. Step 2: Convert to fraction form
    130,402.33/179,959.65 = 73,044.12/x
  3. Step 3: Cross multiply
    130,402.33x = 179,959.65 × 73,044.12
  4. Step 4: Simplify right side
    130,402.33x = 13,144,994,269.76
  5. Step 5: Solve for x
    x = 13,144,994,269.76/130,402.33
  6. Step 6: Final answer
    x = 100,803.37

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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.