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Finding the Fourth Proportional to 235,673.16, 353,565.12 and 77,901.62

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Solution

The fourth proportional to 235,673.16, 353,565.12 and 77,901.62 is: 116,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,673.16 : 353,565.12 = 77,901.62 : x
  2. Step 2: Convert to fraction form
    235,673.16/353,565.12 = 77,901.62/x
  3. Step 3: Cross multiply
    235,673.16x = 353,565.12 × 77,901.62
  4. Step 4: Simplify right side
    235,673.16x = 27,543,295,623.49
  5. Step 5: Solve for x
    x = 27,543,295,623.49/235,673.16
  6. Step 6: Final answer
    x = 116,870.74

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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.