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Finding the Fourth Proportional to 170,809.70, 256,214.55 and 158,368.10

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Solution

The fourth proportional to 170,809.70, 256,214.55 and 158,368.10 is: 237,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,809.70 : 256,214.55 = 158,368.10 : x
  2. Step 2: Convert to fraction form
    170,809.70/256,214.55 = 158,368.10/x
  3. Step 3: Cross multiply
    170,809.70x = 256,214.55 × 158,368.10
  4. Step 4: Simplify right side
    170,809.70x = 40,576,211,475.86
  5. Step 5: Solve for x
    x = 40,576,211,475.86/170,809.70
  6. Step 6: Final answer
    x = 237,552.15

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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.