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Finding the Fourth Proportional to 92,304.80, 127,295.60 and 61,623.68

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Solution

The fourth proportional to 92,304.80, 127,295.60 and 61,623.68 is: 84,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,304.80 : 127,295.60 = 61,623.68 : x
  2. Step 2: Convert to fraction form
    92,304.80/127,295.60 = 61,623.68/x
  3. Step 3: Cross multiply
    92,304.80x = 127,295.60 × 61,623.68
  4. Step 4: Simplify right side
    92,304.80x = 7,844,423,319.81
  5. Step 5: Solve for x
    x = 7,844,423,319.81/92,304.80
  6. Step 6: Final answer
    x = 84,983.92

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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.