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Finding the Fourth Proportional to 173,810.40, 260,521.20 and 98,966.40

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Solution

The fourth proportional to 173,810.40, 260,521.20 and 98,966.40 is: 148,338.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,810.40 : 260,521.20 = 98,966.40 : x
  2. Step 2: Convert to fraction form
    173,810.40/260,521.20 = 98,966.40/x
  3. Step 3: Cross multiply
    173,810.40x = 260,521.20 × 98,966.40
  4. Step 4: Simplify right side
    173,810.40x = 25,782,845,287.68
  5. Step 5: Solve for x
    x = 25,782,845,287.68/173,810.40
  6. Step 6: Final answer
    x = 148,338.91

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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.