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Finding the Fourth Proportional to 173,819.61, 240,010.57 and 139,718.82

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Solution

The fourth proportional to 173,819.61, 240,010.57 and 139,718.82 is: 192,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,819.61 : 240,010.57 = 139,718.82 : x
  2. Step 2: Convert to fraction form
    173,819.61/240,010.57 = 139,718.82/x
  3. Step 3: Cross multiply
    173,819.61x = 240,010.57 × 139,718.82
  4. Step 4: Simplify right side
    173,819.61x = 33,533,993,627.93
  5. Step 5: Solve for x
    x = 33,533,993,627.93/173,819.61
  6. Step 6: Final answer
    x = 192,924.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.