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Finding the Fourth Proportional to 173,901.60, 260,852.40 and 85,328.10

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Solution

The fourth proportional to 173,901.60, 260,852.40 and 85,328.10 is: 127,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,901.60 : 260,852.40 = 85,328.10 : x
  2. Step 2: Convert to fraction form
    173,901.60/260,852.40 = 85,328.10/x
  3. Step 3: Cross multiply
    173,901.60x = 260,852.40 × 85,328.10
  4. Step 4: Simplify right side
    173,901.60x = 22,258,039,672.44
  5. Step 5: Solve for x
    x = 22,258,039,672.44/173,901.60
  6. Step 6: Final answer
    x = 127,992.15

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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.