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Finding the Fourth Proportional to 134,862.86, 202,304.04 and 51,756.86

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Solution

The fourth proportional to 134,862.86, 202,304.04 and 51,756.86 is: 77,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,862.86 : 202,304.04 = 51,756.86 : x
  2. Step 2: Convert to fraction form
    134,862.86/202,304.04 = 51,756.86/x
  3. Step 3: Cross multiply
    134,862.86x = 202,304.04 × 51,756.86
  4. Step 4: Simplify right side
    134,862.86x = 10,470,621,875.71
  5. Step 5: Solve for x
    x = 10,470,621,875.71/134,862.86
  6. Step 6: Final answer
    x = 77,639.03

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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.