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Finding the Fourth Proportional to 272,047.84, 375,461.06 and 152,838.88

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Solution

The fourth proportional to 272,047.84, 375,461.06 and 152,838.88 is: 210,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,047.84 : 375,461.06 = 152,838.88 : x
  2. Step 2: Convert to fraction form
    272,047.84/375,461.06 = 152,838.88/x
  3. Step 3: Cross multiply
    272,047.84x = 375,461.06 × 152,838.88
  4. Step 4: Simplify right side
    272,047.84x = 57,385,047,894.01
  5. Step 5: Solve for x
    x = 57,385,047,894.01/272,047.84
  6. Step 6: Final answer
    x = 210,937.34

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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.