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Finding the Fourth Proportional to 104,295.33, 143,926.17 and 56,547.65

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Solution

The fourth proportional to 104,295.33, 143,926.17 and 56,547.65 is: 78,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,295.33 : 143,926.17 = 56,547.65 : x
  2. Step 2: Convert to fraction form
    104,295.33/143,926.17 = 56,547.65/x
  3. Step 3: Cross multiply
    104,295.33x = 143,926.17 × 56,547.65
  4. Step 4: Simplify right side
    104,295.33x = 8,138,686,834.76
  5. Step 5: Solve for x
    x = 8,138,686,834.76/104,295.33
  6. Step 6: Final answer
    x = 78,035.01

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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.