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Finding the Fourth Proportional to 92,022.40, 137,726.40 and 64,374.40

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Solution

The fourth proportional to 92,022.40, 137,726.40 and 64,374.40 is: 96,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,022.40 : 137,726.40 = 64,374.40 : x
  2. Step 2: Convert to fraction form
    92,022.40/137,726.40 = 64,374.40/x
  3. Step 3: Cross multiply
    92,022.40x = 137,726.40 × 64,374.40
  4. Step 4: Simplify right side
    92,022.40x = 8,866,054,364.16
  5. Step 5: Solve for x
    x = 8,866,054,364.16/92,022.40
  6. Step 6: Final answer
    x = 96,346.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.