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Finding the Fourth Proportional to 134,148.40, 201,611.40 and 117,041.20

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Solution

The fourth proportional to 134,148.40, 201,611.40 and 117,041.20 is: 175,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,148.40 : 201,611.40 = 117,041.20 : x
  2. Step 2: Convert to fraction form
    134,148.40/201,611.40 = 117,041.20/x
  3. Step 3: Cross multiply
    134,148.40x = 201,611.40 × 117,041.20
  4. Step 4: Simplify right side
    134,148.40x = 23,596,840,189.68
  5. Step 5: Solve for x
    x = 23,596,840,189.68/134,148.40
  6. Step 6: Final answer
    x = 175,901.02

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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.