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Finding the Fourth Proportional to 149,737.40, 224,606.10 and 74,869.10

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Solution

The fourth proportional to 149,737.40, 224,606.10 and 74,869.10 is: 112,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,737.40 : 224,606.10 = 74,869.10 : x
  2. Step 2: Convert to fraction form
    149,737.40/224,606.10 = 74,869.10/x
  3. Step 3: Cross multiply
    149,737.40x = 224,606.10 × 74,869.10
  4. Step 4: Simplify right side
    149,737.40x = 16,816,056,561.51
  5. Step 5: Solve for x
    x = 16,816,056,561.51/149,737.40
  6. Step 6: Final answer
    x = 112,303.65

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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.