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Finding the Fourth Proportional to 114,023.39, 157,394.55 and 68,703.89

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Solution

The fourth proportional to 114,023.39, 157,394.55 and 68,703.89 is: 94,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,023.39 : 157,394.55 = 68,703.89 : x
  2. Step 2: Convert to fraction form
    114,023.39/157,394.55 = 68,703.89/x
  3. Step 3: Cross multiply
    114,023.39x = 157,394.55 × 68,703.89
  4. Step 4: Simplify right side
    114,023.39x = 10,813,617,062.83
  5. Step 5: Solve for x
    x = 10,813,617,062.83/114,023.39
  6. Step 6: Final answer
    x = 94,836.84

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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.