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Finding the Fourth Proportional to 147,253, 220,881.66 and 36,445

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Solution

The fourth proportional to 147,253, 220,881.66 and 36,445 is: 54,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,253 : 220,881.66 = 36,445 : x
  2. Step 2: Convert to fraction form
    147,253/220,881.66 = 36,445/x
  3. Step 3: Cross multiply
    147,253x = 220,881.66 × 36,445
  4. Step 4: Simplify right side
    147,253x = 8,050,032,098.70
  5. Step 5: Solve for x
    x = 8,050,032,098.70/147,253
  6. Step 6: Final answer
    x = 54,668.03

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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.