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Finding the Fourth Proportional to 173,806.10, 260,903.55 and 162,385.10

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Solution

The fourth proportional to 173,806.10, 260,903.55 and 162,385.10 is: 243,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,806.10 : 260,903.55 = 162,385.10 : x
  2. Step 2: Convert to fraction form
    173,806.10/260,903.55 = 162,385.10/x
  3. Step 3: Cross multiply
    173,806.10x = 260,903.55 × 162,385.10
  4. Step 4: Simplify right side
    173,806.10x = 42,366,849,057.11
  5. Step 5: Solve for x
    x = 42,366,849,057.11/173,806.10
  6. Step 6: Final answer
    x = 243,759.28

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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.