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Finding the Fourth Proportional to 173,630.10, 260,445.15 and 55,313.40

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Solution

The fourth proportional to 173,630.10, 260,445.15 and 55,313.40 is: 82,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,630.10 : 260,445.15 = 55,313.40 : x
  2. Step 2: Convert to fraction form
    173,630.10/260,445.15 = 55,313.40/x
  3. Step 3: Cross multiply
    173,630.10x = 260,445.15 × 55,313.40
  4. Step 4: Simplify right side
    173,630.10x = 14,406,106,760.01
  5. Step 5: Solve for x
    x = 14,406,106,760.01/173,630.10
  6. Step 6: Final answer
    x = 82,970.10

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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.