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Finding the Fourth Proportional to 201,041.40, 301,124.70 and 161,675.40

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Solution

The fourth proportional to 201,041.40, 301,124.70 and 161,675.40 is: 242,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,041.40 : 301,124.70 = 161,675.40 : x
  2. Step 2: Convert to fraction form
    201,041.40/301,124.70 = 161,675.40/x
  3. Step 3: Cross multiply
    201,041.40x = 301,124.70 × 161,675.40
  4. Step 4: Simplify right side
    201,041.40x = 48,684,456,322.38
  5. Step 5: Solve for x
    x = 48,684,456,322.38/201,041.40
  6. Step 6: Final answer
    x = 242,161.35

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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.