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Finding the Fourth Proportional to 114,776.19, 158,390.44 and 63,788.11

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Solution

The fourth proportional to 114,776.19, 158,390.44 and 63,788.11 is: 88,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,776.19 : 158,390.44 = 63,788.11 : x
  2. Step 2: Convert to fraction form
    114,776.19/158,390.44 = 63,788.11/x
  3. Step 3: Cross multiply
    114,776.19x = 158,390.44 × 63,788.11
  4. Step 4: Simplify right side
    114,776.19x = 10,103,426,254.22
  5. Step 5: Solve for x
    x = 10,103,426,254.22/114,776.19
  6. Step 6: Final answer
    x = 88,027.20

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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.