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Finding the Fourth Proportional to 213,662.54, 294,886.29 and 133,116.02

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Solution

The fourth proportional to 213,662.54, 294,886.29 and 133,116.02 is: 183,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,662.54 : 294,886.29 = 133,116.02 : x
  2. Step 2: Convert to fraction form
    213,662.54/294,886.29 = 133,116.02/x
  3. Step 3: Cross multiply
    213,662.54x = 294,886.29 × 133,116.02
  4. Step 4: Simplify right side
    213,662.54x = 39,254,087,802.93
  5. Step 5: Solve for x
    x = 39,254,087,802.93/213,662.54
  6. Step 6: Final answer
    x = 183,720.03

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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.