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Finding the Fourth Proportional to 134,661.30, 201,991.95 and 113,925.30

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Solution

The fourth proportional to 134,661.30, 201,991.95 and 113,925.30 is: 170,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,661.30 : 201,991.95 = 113,925.30 : x
  2. Step 2: Convert to fraction form
    134,661.30/201,991.95 = 113,925.30/x
  3. Step 3: Cross multiply
    134,661.30x = 201,991.95 × 113,925.30
  4. Step 4: Simplify right side
    134,661.30x = 23,011,993,501.34
  5. Step 5: Solve for x
    x = 23,011,993,501.34/134,661.30
  6. Step 6: Final answer
    x = 170,887.95

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1.5x scale

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.