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Finding the Fourth Proportional to 94,058.70, 129,804.74 and 51,618.74

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Solution

The fourth proportional to 94,058.70, 129,804.74 and 51,618.74 is: 71,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,058.70 : 129,804.74 = 51,618.74 : x
  2. Step 2: Convert to fraction form
    94,058.70/129,804.74 = 51,618.74/x
  3. Step 3: Cross multiply
    94,058.70x = 129,804.74 × 51,618.74
  4. Step 4: Simplify right side
    94,058.70x = 6,700,357,124.83
  5. Step 5: Solve for x
    x = 6,700,357,124.83/94,058.70
  6. Step 6: Final answer
    x = 71,235.91

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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.