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Finding the Fourth Proportional to 124,596.69, 171,937.45 and 70,876.68

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Solution

The fourth proportional to 124,596.69, 171,937.45 and 70,876.68 is: 97,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,596.69 : 171,937.45 = 70,876.68 : x
  2. Step 2: Convert to fraction form
    124,596.69/171,937.45 = 70,876.68/x
  3. Step 3: Cross multiply
    124,596.69x = 171,937.45 × 70,876.68
  4. Step 4: Simplify right side
    124,596.69x = 12,186,355,623.67
  5. Step 5: Solve for x
    x = 12,186,355,623.67/124,596.69
  6. Step 6: Final answer
    x = 97,806.42

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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.