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Finding the Fourth Proportional to 112,534.70, 168,802.05 and 29,428.70

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Solution

The fourth proportional to 112,534.70, 168,802.05 and 29,428.70 is: 44,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,534.70 : 168,802.05 = 29,428.70 : x
  2. Step 2: Convert to fraction form
    112,534.70/168,802.05 = 29,428.70/x
  3. Step 3: Cross multiply
    112,534.70x = 168,802.05 × 29,428.70
  4. Step 4: Simplify right side
    112,534.70x = 4,967,624,888.84
  5. Step 5: Solve for x
    x = 4,967,624,888.84/112,534.70
  6. Step 6: Final answer
    x = 44,143.05

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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.