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Finding the Fourth Proportional to 114,486.84, 158,001.54 and 63,516

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Solution

The fourth proportional to 114,486.84, 158,001.54 and 63,516 is: 87,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,486.84 : 158,001.54 = 63,516 : x
  2. Step 2: Convert to fraction form
    114,486.84/158,001.54 = 63,516/x
  3. Step 3: Cross multiply
    114,486.84x = 158,001.54 × 63,516
  4. Step 4: Simplify right side
    114,486.84x = 10,035,625,814.64
  5. Step 5: Solve for x
    x = 10,035,625,814.64/114,486.84
  6. Step 6: Final answer
    x = 87,657.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.