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Finding the Fourth Proportional to 154,692.76, 232,254.65 and 79,866.84

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Solution

The fourth proportional to 154,692.76, 232,254.65 and 79,866.84 is: 119,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,692.76 : 232,254.65 = 79,866.84 : x
  2. Step 2: Convert to fraction form
    154,692.76/232,254.65 = 79,866.84/x
  3. Step 3: Cross multiply
    154,692.76x = 232,254.65 × 79,866.84
  4. Step 4: Simplify right side
    154,692.76x = 18,549,444,970.81
  5. Step 5: Solve for x
    x = 18,549,444,970.81/154,692.76
  6. Step 6: Final answer
    x = 119,911.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.