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Finding the Fourth Proportional to 143,870.79, 215,798.25 and 44,030.91

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Solution

The fourth proportional to 143,870.79, 215,798.25 and 44,030.91 is: 66,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,870.79 : 215,798.25 = 44,030.91 : x
  2. Step 2: Convert to fraction form
    143,870.79/215,798.25 = 44,030.91/x
  3. Step 3: Cross multiply
    143,870.79x = 215,798.25 × 44,030.91
  4. Step 4: Simplify right side
    143,870.79x = 9,501,793,323.91
  5. Step 5: Solve for x
    x = 9,501,793,323.91/143,870.79
  6. Step 6: Final answer
    x = 66,043.94

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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.