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Finding the Fourth Proportional to 501,872.10, 752,881.05 and 164,855.40

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Solution

The fourth proportional to 501,872.10, 752,881.05 and 164,855.40 is: 247,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,872.10 : 752,881.05 = 164,855.40 : x
  2. Step 2: Convert to fraction form
    501,872.10/752,881.05 = 164,855.40/x
  3. Step 3: Cross multiply
    501,872.10x = 752,881.05 × 164,855.40
  4. Step 4: Simplify right side
    501,872.10x = 124,116,506,650.17
  5. Step 5: Solve for x
    x = 124,116,506,650.17/501,872.10
  6. Step 6: Final answer
    x = 247,307.05

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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.