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Finding the Fourth Proportional to 272,036.84, 375,445.86 and 152,827.88

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Solution

The fourth proportional to 272,036.84, 375,445.86 and 152,827.88 is: 210,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,036.84 : 375,445.86 = 152,827.88 : x
  2. Step 2: Convert to fraction form
    272,036.84/375,445.86 = 152,827.88/x
  3. Step 3: Cross multiply
    272,036.84x = 375,445.86 × 152,827.88
  4. Step 4: Simplify right side
    272,036.84x = 57,378,594,838.58
  5. Step 5: Solve for x
    x = 57,378,594,838.58/272,036.84
  6. Step 6: Final answer
    x = 210,922.15

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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.