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Finding the Fourth Proportional to 172,246.02, 237,699.58 and 99,658.80

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Solution

The fourth proportional to 172,246.02, 237,699.58 and 99,658.80 is: 137,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,246.02 : 237,699.58 = 99,658.80 : x
  2. Step 2: Convert to fraction form
    172,246.02/237,699.58 = 99,658.80/x
  3. Step 3: Cross multiply
    172,246.02x = 237,699.58 × 99,658.80
  4. Step 4: Simplify right side
    172,246.02x = 23,688,854,903.30
  5. Step 5: Solve for x
    x = 23,688,854,903.30/172,246.02
  6. Step 6: Final answer
    x = 137,529.19

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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.