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Finding the Fourth Proportional to 248,875.84, 373,175.12 and 147,714.96

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Solution

The fourth proportional to 248,875.84, 373,175.12 and 147,714.96 is: 221,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,875.84 : 373,175.12 = 147,714.96 : x
  2. Step 2: Convert to fraction form
    248,875.84/373,175.12 = 147,714.96/x
  3. Step 3: Cross multiply
    248,875.84x = 373,175.12 × 147,714.96
  4. Step 4: Simplify right side
    248,875.84x = 55,123,547,923.80
  5. Step 5: Solve for x
    x = 55,123,547,923.80/248,875.84
  6. Step 6: Final answer
    x = 221,490.15

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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.