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Finding the Fourth Proportional to 93,620.88, 129,187.05 and 53,326.20

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Solution

The fourth proportional to 93,620.88, 129,187.05 and 53,326.20 is: 73,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,620.88 : 129,187.05 = 53,326.20 : x
  2. Step 2: Convert to fraction form
    93,620.88/129,187.05 = 53,326.20/x
  3. Step 3: Cross multiply
    93,620.88x = 129,187.05 × 53,326.20
  4. Step 4: Simplify right side
    93,620.88x = 6,889,054,465.71
  5. Step 5: Solve for x
    x = 6,889,054,465.71/93,620.88
  6. Step 6: Final answer
    x = 73,584.59

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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.