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Finding the Fourth Proportional to 185,487.06, 277,436.52 and 172,041.06

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Solution

The fourth proportional to 185,487.06, 277,436.52 and 172,041.06 is: 257,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,487.06 : 277,436.52 = 172,041.06 : x
  2. Step 2: Convert to fraction form
    185,487.06/277,436.52 = 172,041.06/x
  3. Step 3: Cross multiply
    185,487.06x = 277,436.52 × 172,041.06
  4. Step 4: Simplify right side
    185,487.06x = 47,730,472,983.51
  5. Step 5: Solve for x
    x = 47,730,472,983.51/185,487.06
  6. Step 6: Final answer
    x = 257,325.08

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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.