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Finding the Fourth Proportional to 117,503.40, 162,154.80 and 63,788.40

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Solution

The fourth proportional to 117,503.40, 162,154.80 and 63,788.40 is: 88,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,503.40 : 162,154.80 = 63,788.40 : x
  2. Step 2: Convert to fraction form
    117,503.40/162,154.80 = 63,788.40/x
  3. Step 3: Cross multiply
    117,503.40x = 162,154.80 × 63,788.40
  4. Step 4: Simplify right side
    117,503.40x = 10,343,595,244.32
  5. Step 5: Solve for x
    x = 10,343,595,244.32/117,503.40
  6. Step 6: Final answer
    x = 88,028.05

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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.