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Finding the Fourth Proportional to 124,524.45, 171,842.92 and 70,809.47

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Solution

The fourth proportional to 124,524.45, 171,842.92 and 70,809.47 is: 97,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,524.45 : 171,842.92 = 70,809.47 : x
  2. Step 2: Convert to fraction form
    124,524.45/171,842.92 = 70,809.47/x
  3. Step 3: Cross multiply
    124,524.45x = 171,842.92 × 70,809.47
  4. Step 4: Simplify right side
    124,524.45x = 12,168,106,088.45
  5. Step 5: Solve for x
    x = 12,168,106,088.45/124,524.45
  6. Step 6: Final answer
    x = 97,716.60

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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.