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Finding the Fourth Proportional to 71,063.48, 106,595.04 and 66,733.04

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Solution

The fourth proportional to 71,063.48, 106,595.04 and 66,733.04 is: 100,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,063.48 : 106,595.04 = 66,733.04 : x
  2. Step 2: Convert to fraction form
    71,063.48/106,595.04 = 66,733.04/x
  3. Step 3: Cross multiply
    71,063.48x = 106,595.04 × 66,733.04
  4. Step 4: Simplify right side
    71,063.48x = 7,113,411,068.12
  5. Step 5: Solve for x
    x = 7,113,411,068.12/71,063.48
  6. Step 6: Final answer
    x = 100,099.39

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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.