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Finding the Fourth Proportional to 94,443.58, 130,332.45 and 51,423.58

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Solution

The fourth proportional to 94,443.58, 130,332.45 and 51,423.58 is: 70,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,443.58 : 130,332.45 = 51,423.58 : x
  2. Step 2: Convert to fraction form
    94,443.58/130,332.45 = 51,423.58/x
  3. Step 3: Cross multiply
    94,443.58x = 130,332.45 × 51,423.58
  4. Step 4: Simplify right side
    94,443.58x = 6,702,161,169.17
  5. Step 5: Solve for x
    x = 6,702,161,169.17/94,443.58
  6. Step 6: Final answer
    x = 70,964.71

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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.