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Finding the Fourth Proportional to 82,960,358.45, 115,929,268.23 and 82,960,358.45

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Solution

The fourth proportional to 82,960,358.45, 115,929,268.23 and 82,960,358.45 is: 115,929,268.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,960,358.45 : 115,929,268.23 = 82,960,358.45 : x
  2. Step 2: Convert to fraction form
    82,960,358.45/115,929,268.23 = 82,960,358.45/x
  3. Step 3: Cross multiply
    82,960,358.45x = 115,929,268.23 × 82,960,358.45
  4. Step 4: Simplify right side
    82,960,358.45x = 9,617,533,646,792,196
  5. Step 5: Solve for x
    x = 9,617,533,646,792,196/82,960,358.45
  6. Step 6: Final answer
    x = 115,929,268.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.