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Finding the Fourth Proportional to 192,065.66, 287,955.81 and 92,130.69

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Solution

The fourth proportional to 192,065.66, 287,955.81 and 92,130.69 is: 138,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,065.66 : 287,955.81 = 92,130.69 : x
  2. Step 2: Convert to fraction form
    192,065.66/287,955.81 = 92,130.69/x
  3. Step 3: Cross multiply
    192,065.66x = 287,955.81 × 92,130.69
  4. Step 4: Simplify right side
    192,065.66x = 26,529,567,464.81
  5. Step 5: Solve for x
    x = 26,529,567,464.81/192,065.66
  6. Step 6: Final answer
    x = 138,127.60

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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.