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Finding the Fourth Proportional to 124,526.60, 171,797.54 and 76,697

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Solution

The fourth proportional to 124,526.60, 171,797.54 and 76,697 is: 105,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,526.60 : 171,797.54 = 76,697 : x
  2. Step 2: Convert to fraction form
    124,526.60/171,797.54 = 76,697/x
  3. Step 3: Cross multiply
    124,526.60x = 171,797.54 × 76,697
  4. Step 4: Simplify right side
    124,526.60x = 13,176,355,925.38
  5. Step 5: Solve for x
    x = 13,176,355,925.38/124,526.60
  6. Step 6: Final answer
    x = 105,811.58

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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.