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Finding the Fourth Proportional to 119,775.40, 179,637.90 and 60,555.40

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Solution

The fourth proportional to 119,775.40, 179,637.90 and 60,555.40 is: 90,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,775.40 : 179,637.90 = 60,555.40 : x
  2. Step 2: Convert to fraction form
    119,775.40/179,637.90 = 60,555.40/x
  3. Step 3: Cross multiply
    119,775.40x = 179,637.90 × 60,555.40
  4. Step 4: Simplify right side
    119,775.40x = 10,878,044,889.66
  5. Step 5: Solve for x
    x = 10,878,044,889.66/119,775.40
  6. Step 6: Final answer
    x = 90,820.36

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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.