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Finding the Fourth Proportional to 104,492.30, 144,243.51 and 70,546.76

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Solution

The fourth proportional to 104,492.30, 144,243.51 and 70,546.76 is: 97,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,492.30 : 144,243.51 = 70,546.76 : x
  2. Step 2: Convert to fraction form
    104,492.30/144,243.51 = 70,546.76/x
  3. Step 3: Cross multiply
    104,492.30x = 144,243.51 × 70,546.76
  4. Step 4: Simplify right side
    104,492.30x = 10,175,912,281.53
  5. Step 5: Solve for x
    x = 10,175,912,281.53/104,492.30
  6. Step 6: Final answer
    x = 97,384.33

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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.