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Finding the Fourth Proportional to 224,510.40, 336,647.52 and 66,715.20

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Solution

The fourth proportional to 224,510.40, 336,647.52 and 66,715.20 is: 100,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,510.40 : 336,647.52 = 66,715.20 : x
  2. Step 2: Convert to fraction form
    224,510.40/336,647.52 = 66,715.20/x
  3. Step 3: Cross multiply
    224,510.40x = 336,647.52 × 66,715.20
  4. Step 4: Simplify right side
    224,510.40x = 22,459,506,626.30
  5. Step 5: Solve for x
    x = 22,459,506,626.30/224,510.40
  6. Step 6: Final answer
    x = 100,037.71

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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.