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Finding the Fourth Proportional to 172,950.16, 238,671.08 and 93,462.16

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Solution

The fourth proportional to 172,950.16, 238,671.08 and 93,462.16 is: 128,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,950.16 : 238,671.08 = 93,462.16 : x
  2. Step 2: Convert to fraction form
    172,950.16/238,671.08 = 93,462.16/x
  3. Step 3: Cross multiply
    172,950.16x = 238,671.08 × 93,462.16
  4. Step 4: Simplify right side
    172,950.16x = 22,306,714,666.33
  5. Step 5: Solve for x
    x = 22,306,714,666.33/172,950.16
  6. Step 6: Final answer
    x = 128,977.70

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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.