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Finding the Fourth Proportional to 269,806.55, 372,330.95 and 148,948.00

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Solution

The fourth proportional to 269,806.55, 372,330.95 and 148,948.00 is: 205,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,806.55 : 372,330.95 = 148,948.00 : x
  2. Step 2: Convert to fraction form
    269,806.55/372,330.95 = 148,948.00/x
  3. Step 3: Cross multiply
    269,806.55x = 372,330.95 × 148,948.00
  4. Step 4: Simplify right side
    269,806.55x = 55,457,948,665.03
  5. Step 5: Solve for x
    x = 55,457,948,665.03/269,806.55
  6. Step 6: Final answer
    x = 205,547.08

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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.