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Finding the Fourth Proportional to 113,990.58, 157,302.10 and 63,000.67

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Solution

The fourth proportional to 113,990.58, 157,302.10 and 63,000.67 is: 86,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,990.58 : 157,302.10 = 63,000.67 : x
  2. Step 2: Convert to fraction form
    113,990.58/157,302.10 = 63,000.67/x
  3. Step 3: Cross multiply
    113,990.58x = 157,302.10 × 63,000.67
  4. Step 4: Simplify right side
    113,990.58x = 9,910,137,692.41
  5. Step 5: Solve for x
    x = 9,910,137,692.41/113,990.58
  6. Step 6: Final answer
    x = 86,938.22

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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.