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Finding the Fourth Proportional to 133,695.02, 200,407.40 and 83,810.13

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Solution

The fourth proportional to 133,695.02, 200,407.40 and 83,810.13 is: 125,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,695.02 : 200,407.40 = 83,810.13 : x
  2. Step 2: Convert to fraction form
    133,695.02/200,407.40 = 83,810.13/x
  3. Step 3: Cross multiply
    133,695.02x = 200,407.40 × 83,810.13
  4. Step 4: Simplify right side
    133,695.02x = 16,796,169,390.67
  5. Step 5: Solve for x
    x = 16,796,169,390.67/133,695.02
  6. Step 6: Final answer
    x = 125,630.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.