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Finding the Fourth Proportional to 185,328.98, 277,888.15 and 72,948.31

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Solution

The fourth proportional to 185,328.98, 277,888.15 and 72,948.31 is: 109,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,328.98 : 277,888.15 = 72,948.31 : x
  2. Step 2: Convert to fraction form
    185,328.98/277,888.15 = 72,948.31/x
  3. Step 3: Cross multiply
    185,328.98x = 277,888.15 × 72,948.31
  4. Step 4: Simplify right side
    185,328.98x = 20,271,470,911.53
  5. Step 5: Solve for x
    x = 20,271,470,911.53/185,328.98
  6. Step 6: Final answer
    x = 109,381.01

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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.