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Finding the Fourth Proportional to 134,025.16, 200,978.70 and 62,967.99

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Solution

The fourth proportional to 134,025.16, 200,978.70 and 62,967.99 is: 94,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,025.16 : 200,978.70 = 62,967.99 : x
  2. Step 2: Convert to fraction form
    134,025.16/200,978.70 = 62,967.99/x
  3. Step 3: Cross multiply
    134,025.16x = 200,978.70 × 62,967.99
  4. Step 4: Simplify right side
    134,025.16x = 12,655,224,771.81
  5. Step 5: Solve for x
    x = 12,655,224,771.81/134,025.16
  6. Step 6: Final answer
    x = 94,424.25

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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.