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Finding the Fourth Proportional to 89,866.04, 124,014.78 and 49,582.31

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Solution

The fourth proportional to 89,866.04, 124,014.78 and 49,582.31 is: 68,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,866.04 : 124,014.78 = 49,582.31 : x
  2. Step 2: Convert to fraction form
    89,866.04/124,014.78 = 49,582.31/x
  3. Step 3: Cross multiply
    89,866.04x = 124,014.78 × 49,582.31
  4. Step 4: Simplify right side
    89,866.04x = 6,148,938,646.47
  5. Step 5: Solve for x
    x = 6,148,938,646.47/89,866.04
  6. Step 6: Final answer
    x = 68,423.39

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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.