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Finding the Fourth Proportional to 105,011.48, 157,339.02 and 63,371

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Solution

The fourth proportional to 105,011.48, 157,339.02 and 63,371 is: 94,948.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,011.48 : 157,339.02 = 63,371 : x
  2. Step 2: Convert to fraction form
    105,011.48/157,339.02 = 63,371/x
  3. Step 3: Cross multiply
    105,011.48x = 157,339.02 × 63,371
  4. Step 4: Simplify right side
    105,011.48x = 9,970,731,036.42
  5. Step 5: Solve for x
    x = 9,970,731,036.42/105,011.48
  6. Step 6: Final answer
    x = 94,948.96

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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.