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Finding the Fourth Proportional to 224,895.33, 310,355.01 and 128,099.16

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Solution

The fourth proportional to 224,895.33, 310,355.01 and 128,099.16 is: 176,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,895.33 : 310,355.01 = 128,099.16 : x
  2. Step 2: Convert to fraction form
    224,895.33/310,355.01 = 128,099.16/x
  3. Step 3: Cross multiply
    224,895.33x = 310,355.01 × 128,099.16
  4. Step 4: Simplify right side
    224,895.33x = 39,756,216,082.79
  5. Step 5: Solve for x
    x = 39,756,216,082.79/224,895.33
  6. Step 6: Final answer
    x = 176,776.53

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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.