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Finding the Fourth Proportional to 173,298.80, 260,034.60 and 98,476.40

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Solution

The fourth proportional to 173,298.80, 260,034.60 and 98,476.40 is: 147,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,298.80 : 260,034.60 = 98,476.40 : x
  2. Step 2: Convert to fraction form
    173,298.80/260,034.60 = 98,476.40/x
  3. Step 3: Cross multiply
    173,298.80x = 260,034.60 × 98,476.40
  4. Step 4: Simplify right side
    173,298.80x = 25,607,271,283.44
  5. Step 5: Solve for x
    x = 25,607,271,283.44/173,298.80
  6. Step 6: Final answer
    x = 147,763.70

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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.