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Finding the Fourth Proportional to 174,920.90, 261,798.15 and 153,925.70

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Solution

The fourth proportional to 174,920.90, 261,798.15 and 153,925.70 is: 230,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,920.90 : 261,798.15 = 153,925.70 : x
  2. Step 2: Convert to fraction form
    174,920.90/261,798.15 = 153,925.70/x
  3. Step 3: Cross multiply
    174,920.90x = 261,798.15 × 153,925.70
  4. Step 4: Simplify right side
    174,920.90x = 40,297,463,497.46
  5. Step 5: Solve for x
    x = 40,297,463,497.46/174,920.90
  6. Step 6: Final answer
    x = 230,375.35

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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.