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Finding the Fourth Proportional to 229,857.19, 317,001.01 and 160,911.33

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Solution

The fourth proportional to 229,857.19, 317,001.01 and 160,911.33 is: 221,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,857.19 : 317,001.01 = 160,911.33 : x
  2. Step 2: Convert to fraction form
    229,857.19/317,001.01 = 160,911.33/x
  3. Step 3: Cross multiply
    229,857.19x = 317,001.01 × 160,911.33
  4. Step 4: Simplify right side
    229,857.19x = 51,009,053,325.89
  5. Step 5: Solve for x
    x = 51,009,053,325.89/229,857.19
  6. Step 6: Final answer
    x = 221,916.28

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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.