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Finding the Fourth Proportional to 134,421.30, 201,741.30 and 130,047.30

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Solution

The fourth proportional to 134,421.30, 201,741.30 and 130,047.30 is: 195,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,421.30 : 201,741.30 = 130,047.30 : x
  2. Step 2: Convert to fraction form
    134,421.30/201,741.30 = 130,047.30/x
  3. Step 3: Cross multiply
    134,421.30x = 201,741.30 × 130,047.30
  4. Step 4: Simplify right side
    134,421.30x = 26,235,911,363.49
  5. Step 5: Solve for x
    x = 26,235,911,363.49/134,421.30
  6. Step 6: Final answer
    x = 195,176.74

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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.