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Finding the Fourth Proportional to 82,969.04, 114,497.88 and 45,242.48

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Solution

The fourth proportional to 82,969.04, 114,497.88 and 45,242.48 is: 62,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,969.04 : 114,497.88 = 45,242.48 : x
  2. Step 2: Convert to fraction form
    82,969.04/114,497.88 = 45,242.48/x
  3. Step 3: Cross multiply
    82,969.04x = 114,497.88 × 45,242.48
  4. Step 4: Simplify right side
    82,969.04x = 5,180,168,045.94
  5. Step 5: Solve for x
    x = 5,180,168,045.94/82,969.04
  6. Step 6: Final answer
    x = 62,434.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.