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Finding the Fourth Proportional to 94,124.77, 129,901.21 and 53,830.67

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Solution

The fourth proportional to 94,124.77, 129,901.21 and 53,830.67 is: 74,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,124.77 : 129,901.21 = 53,830.67 : x
  2. Step 2: Convert to fraction form
    94,124.77/129,901.21 = 53,830.67/x
  3. Step 3: Cross multiply
    94,124.77x = 129,901.21 × 53,830.67
  4. Step 4: Simplify right side
    94,124.77x = 6,992,668,249.45
  5. Step 5: Solve for x
    x = 6,992,668,249.45/94,124.77
  6. Step 6: Final answer
    x = 74,291.48

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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.