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Finding the Fourth Proportional to 114,068.76, 157,410.34 and 63,078.14

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Solution

The fourth proportional to 114,068.76, 157,410.34 and 63,078.14 is: 87,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,068.76 : 157,410.34 = 63,078.14 : x
  2. Step 2: Convert to fraction form
    114,068.76/157,410.34 = 63,078.14/x
  3. Step 3: Cross multiply
    114,068.76x = 157,410.34 × 63,078.14
  4. Step 4: Simplify right side
    114,068.76x = 9,929,151,699.80
  5. Step 5: Solve for x
    x = 9,929,151,699.80/114,068.76
  6. Step 6: Final answer
    x = 87,045.32

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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.