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Finding the Fourth Proportional to 173,970.74, 260,628.78 and 136,416.80

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Solution

The fourth proportional to 173,970.74, 260,628.78 and 136,416.80 is: 204,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,970.74 : 260,628.78 = 136,416.80 : x
  2. Step 2: Convert to fraction form
    173,970.74/260,628.78 = 136,416.80/x
  3. Step 3: Cross multiply
    173,970.74x = 260,628.78 × 136,416.80
  4. Step 4: Simplify right side
    173,970.74x = 35,554,144,155.50
  5. Step 5: Solve for x
    x = 35,554,144,155.50/173,970.74
  6. Step 6: Final answer
    x = 204,368.53

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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.