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Finding the Fourth Proportional to 229,856.94, 317,000.66 and 160,911.08

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Solution

The fourth proportional to 229,856.94, 317,000.66 and 160,911.08 is: 221,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,856.94 : 317,000.66 = 160,911.08 : x
  2. Step 2: Convert to fraction form
    229,856.94/317,000.66 = 160,911.08/x
  3. Step 3: Cross multiply
    229,856.94x = 317,000.66 × 160,911.08
  4. Step 4: Simplify right side
    229,856.94x = 51,008,918,561.31
  5. Step 5: Solve for x
    x = 51,008,918,561.31/229,856.94
  6. Step 6: Final answer
    x = 221,915.94

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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.