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Finding the Fourth Proportional to 170,749.80, 256,124.70 and 162,001.80

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Solution

The fourth proportional to 170,749.80, 256,124.70 and 162,001.80 is: 243,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,749.80 : 256,124.70 = 162,001.80 : x
  2. Step 2: Convert to fraction form
    170,749.80/256,124.70 = 162,001.80/x
  3. Step 3: Cross multiply
    170,749.80x = 256,124.70 × 162,001.80
  4. Step 4: Simplify right side
    170,749.80x = 41,492,662,424.46
  5. Step 5: Solve for x
    x = 41,492,662,424.46/170,749.80
  6. Step 6: Final answer
    x = 243,002.70

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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.