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Finding the Fourth Proportional to 94,658.64, 130,630.53 and 61,182.96

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Solution

The fourth proportional to 94,658.64, 130,630.53 and 61,182.96 is: 84,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,658.64 : 130,630.53 = 61,182.96 : x
  2. Step 2: Convert to fraction form
    94,658.64/130,630.53 = 61,182.96/x
  3. Step 3: Cross multiply
    94,658.64x = 130,630.53 × 61,182.96
  4. Step 4: Simplify right side
    94,658.64x = 7,992,362,491.77
  5. Step 5: Solve for x
    x = 7,992,362,491.77/94,658.64
  6. Step 6: Final answer
    x = 84,433.52

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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.