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Finding the Fourth Proportional to 133,607.80, 200,411.70 and 40,101.40

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Solution

The fourth proportional to 133,607.80, 200,411.70 and 40,101.40 is: 60,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,607.80 : 200,411.70 = 40,101.40 : x
  2. Step 2: Convert to fraction form
    133,607.80/200,411.70 = 40,101.40/x
  3. Step 3: Cross multiply
    133,607.80x = 200,411.70 × 40,101.40
  4. Step 4: Simplify right side
    133,607.80x = 8,036,789,746.38
  5. Step 5: Solve for x
    x = 8,036,789,746.38/133,607.80
  6. Step 6: Final answer
    x = 60,152.10

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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.