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Finding the Fourth Proportional to 245,045.40, 367,568.10 and 155,159.70

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Solution

The fourth proportional to 245,045.40, 367,568.10 and 155,159.70 is: 232,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,045.40 : 367,568.10 = 155,159.70 : x
  2. Step 2: Convert to fraction form
    245,045.40/367,568.10 = 155,159.70/x
  3. Step 3: Cross multiply
    245,045.40x = 367,568.10 × 155,159.70
  4. Step 4: Simplify right side
    245,045.40x = 57,031,756,125.57
  5. Step 5: Solve for x
    x = 57,031,756,125.57/245,045.40
  6. Step 6: Final answer
    x = 232,739.55

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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.