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Finding the Fourth Proportional to 88,308.71, 121,866.59 and 48,022.91

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Solution

The fourth proportional to 88,308.71, 121,866.59 and 48,022.91 is: 66,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,308.71 : 121,866.59 = 48,022.91 : x
  2. Step 2: Convert to fraction form
    88,308.71/121,866.59 = 48,022.91/x
  3. Step 3: Cross multiply
    88,308.71x = 121,866.59 × 48,022.91
  4. Step 4: Simplify right side
    88,308.71x = 5,852,388,283.58
  5. Step 5: Solve for x
    x = 5,852,388,283.58/88,308.71
  6. Step 6: Final answer
    x = 66,271.93

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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.