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Finding the Fourth Proportional to 243,547.51, 365,357.63 and 75,053.83

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Solution

The fourth proportional to 243,547.51, 365,357.63 and 75,053.83 is: 112,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,547.51 : 365,357.63 = 75,053.83 : x
  2. Step 2: Convert to fraction form
    243,547.51/365,357.63 = 75,053.83/x
  3. Step 3: Cross multiply
    243,547.51x = 365,357.63 × 75,053.83
  4. Step 4: Simplify right side
    243,547.51x = 27,421,489,451.22
  5. Step 5: Solve for x
    x = 27,421,489,451.22/243,547.51
  6. Step 6: Final answer
    x = 112,591.95

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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.