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Finding the Fourth Proportional to 133,332.10, 200,228.55 and 71,124.10

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Solution

The fourth proportional to 133,332.10, 200,228.55 and 71,124.10 is: 106,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,332.10 : 200,228.55 = 71,124.10 : x
  2. Step 2: Convert to fraction form
    133,332.10/200,228.55 = 71,124.10/x
  3. Step 3: Cross multiply
    133,332.10x = 200,228.55 × 71,124.10
  4. Step 4: Simplify right side
    133,332.10x = 14,241,075,413.06
  5. Step 5: Solve for x
    x = 14,241,075,413.06/133,332.10
  6. Step 6: Final answer
    x = 106,809.05

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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.