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Finding the Fourth Proportional to 114,316, 157,753.95 and 63,327.60

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Solution

The fourth proportional to 114,316, 157,753.95 and 63,327.60 is: 87,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,316 : 157,753.95 = 63,327.60 : x
  2. Step 2: Convert to fraction form
    114,316/157,753.95 = 63,327.60/x
  3. Step 3: Cross multiply
    114,316x = 157,753.95 × 63,327.60
  4. Step 4: Simplify right side
    114,316x = 9,990,179,044.02
  5. Step 5: Solve for x
    x = 9,990,179,044.02/114,316
  6. Step 6: Final answer
    x = 87,390.91

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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.