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Finding the Fourth Proportional to 155,032.92, 213,968.84 and 94,638.71

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Solution

The fourth proportional to 155,032.92, 213,968.84 and 94,638.71 is: 130,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,032.92 : 213,968.84 = 94,638.71 : x
  2. Step 2: Convert to fraction form
    155,032.92/213,968.84 = 94,638.71/x
  3. Step 3: Cross multiply
    155,032.92x = 213,968.84 × 94,638.71
  4. Step 4: Simplify right side
    155,032.92x = 20,249,735,059.52
  5. Step 5: Solve for x
    x = 20,249,735,059.52/155,032.92
  6. Step 6: Final answer
    x = 130,615.71

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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.