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Finding the Fourth Proportional to 133,280.64, 183,927.66 and 72,852.01

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Solution

The fourth proportional to 133,280.64, 183,927.66 and 72,852.01 is: 100,535.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,280.64 : 183,927.66 = 72,852.01 : x
  2. Step 2: Convert to fraction form
    133,280.64/183,927.66 = 72,852.01/x
  3. Step 3: Cross multiply
    133,280.64x = 183,927.66 × 72,852.01
  4. Step 4: Simplify right side
    133,280.64x = 13,399,499,402.38
  5. Step 5: Solve for x
    x = 13,399,499,402.38/133,280.64
  6. Step 6: Final answer
    x = 100,535.98

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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.