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Finding the Fourth Proportional to 349,959.16, 525,022.35 and 113,302.09

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Solution

The fourth proportional to 349,959.16, 525,022.35 and 113,302.09 is: 169,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,959.16 : 525,022.35 = 113,302.09 : x
  2. Step 2: Convert to fraction form
    349,959.16/525,022.35 = 113,302.09/x
  3. Step 3: Cross multiply
    349,959.16x = 525,022.35 × 113,302.09
  4. Step 4: Simplify right side
    349,959.16x = 59,486,129,551.71
  5. Step 5: Solve for x
    x = 59,486,129,551.71/349,959.16
  6. Step 6: Final answer
    x = 169,980.20

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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.