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Finding the Fourth Proportional to 117,503.84, 162,155.44 and 63,788.88

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Solution

The fourth proportional to 117,503.84, 162,155.44 and 63,788.88 is: 88,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,503.84 : 162,155.44 = 63,788.88 : x
  2. Step 2: Convert to fraction form
    117,503.84/162,155.44 = 63,788.88/x
  3. Step 3: Cross multiply
    117,503.84x = 162,155.44 × 63,788.88
  4. Step 4: Simplify right side
    117,503.84x = 10,343,713,903.51
  5. Step 5: Solve for x
    x = 10,343,713,903.51/117,503.84
  6. Step 6: Final answer
    x = 88,028.73

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1.5x scale

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.