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Finding the Fourth Proportional to 112,909.84, 169,364.76 and 29,810.32

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Solution

The fourth proportional to 112,909.84, 169,364.76 and 29,810.32 is: 44,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,909.84 : 169,364.76 = 29,810.32 : x
  2. Step 2: Convert to fraction form
    112,909.84/169,364.76 = 29,810.32/x
  3. Step 3: Cross multiply
    112,909.84x = 169,364.76 × 29,810.32
  4. Step 4: Simplify right side
    112,909.84x = 5,048,817,692.32
  5. Step 5: Solve for x
    x = 5,048,817,692.32/112,909.84
  6. Step 6: Final answer
    x = 44,715.48

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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.