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Finding the Fourth Proportional to 173,695.80, 260,543.70 and 162,031.80

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Solution

The fourth proportional to 173,695.80, 260,543.70 and 162,031.80 is: 243,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,695.80 : 260,543.70 = 162,031.80 : x
  2. Step 2: Convert to fraction form
    173,695.80/260,543.70 = 162,031.80/x
  3. Step 3: Cross multiply
    173,695.80x = 260,543.70 × 162,031.80
  4. Step 4: Simplify right side
    173,695.80x = 42,216,364,689.66
  5. Step 5: Solve for x
    x = 42,216,364,689.66/173,695.80
  6. Step 6: Final answer
    x = 243,047.70

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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.