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Finding the Fourth Proportional to 160,432.64, 221,432.64 and 93,403.52

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Solution

The fourth proportional to 160,432.64, 221,432.64 and 93,403.52 is: 128,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,432.64 : 221,432.64 = 93,403.52 : x
  2. Step 2: Convert to fraction form
    160,432.64/221,432.64 = 93,403.52/x
  3. Step 3: Cross multiply
    160,432.64x = 221,432.64 × 93,403.52
  4. Step 4: Simplify right side
    160,432.64x = 20,682,588,018.89
  5. Step 5: Solve for x
    x = 20,682,588,018.89/160,432.64
  6. Step 6: Final answer
    x = 128,917.58

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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.