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Finding the Fourth Proportional to 121,368.24, 181,926.72 and 46,470.24

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Solution

The fourth proportional to 121,368.24, 181,926.72 and 46,470.24 is: 69,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,368.24 : 181,926.72 = 46,470.24 : x
  2. Step 2: Convert to fraction form
    121,368.24/181,926.72 = 46,470.24/x
  3. Step 3: Cross multiply
    121,368.24x = 181,926.72 × 46,470.24
  4. Step 4: Simplify right side
    121,368.24x = 8,454,178,340.81
  5. Step 5: Solve for x
    x = 8,454,178,340.81/121,368.24
  6. Step 6: Final answer
    x = 69,657.25

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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.