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Finding the Fourth Proportional to 163,625.87, 245,442.98 and 45,298.23

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Solution

The fourth proportional to 163,625.87, 245,442.98 and 45,298.23 is: 67,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,625.87 : 245,442.98 = 45,298.23 : x
  2. Step 2: Convert to fraction form
    163,625.87/245,442.98 = 45,298.23/x
  3. Step 3: Cross multiply
    163,625.87x = 245,442.98 × 45,298.23
  4. Step 4: Simplify right side
    163,625.87x = 11,118,132,559.93
  5. Step 5: Solve for x
    x = 11,118,132,559.93/163,625.87
  6. Step 6: Final answer
    x = 67,948.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.