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Finding the Fourth Proportional to 173,159.30, 259,738.95 and 153,913.70

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Solution

The fourth proportional to 173,159.30, 259,738.95 and 153,913.70 is: 230,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,159.30 : 259,738.95 = 153,913.70 : x
  2. Step 2: Convert to fraction form
    173,159.30/259,738.95 = 153,913.70/x
  3. Step 3: Cross multiply
    173,159.30x = 259,738.95 × 153,913.70
  4. Step 4: Simplify right side
    173,159.30x = 39,977,382,828.62
  5. Step 5: Solve for x
    x = 39,977,382,828.62/173,159.30
  6. Step 6: Final answer
    x = 230,870.55

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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.