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Finding the Fourth Proportional to 272,332, 375,818.16 and 153,100

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Solution

The fourth proportional to 272,332, 375,818.16 and 153,100 is: 211,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,332 : 375,818.16 = 153,100 : x
  2. Step 2: Convert to fraction form
    272,332/375,818.16 = 153,100/x
  3. Step 3: Cross multiply
    272,332x = 375,818.16 × 153,100
  4. Step 4: Simplify right side
    272,332x = 57,537,760,296.00
  5. Step 5: Solve for x
    x = 57,537,760,296.00/272,332
  6. Step 6: Final answer
    x = 211,278.00

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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.