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Finding the Fourth Proportional to 82,804.74, 124,209.15 and 30,214.22

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Solution

The fourth proportional to 82,804.74, 124,209.15 and 30,214.22 is: 45,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,804.74 : 124,209.15 = 30,214.22 : x
  2. Step 2: Convert to fraction form
    82,804.74/124,209.15 = 30,214.22/x
  3. Step 3: Cross multiply
    82,804.74x = 124,209.15 × 30,214.22
  4. Step 4: Simplify right side
    82,804.74x = 3,752,881,963.07
  5. Step 5: Solve for x
    x = 3,752,881,963.07/82,804.74
  6. Step 6: Final answer
    x = 45,322.07

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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.