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Finding the Fourth Proportional to 190,492.83, 285,665.22 and 101,697.84

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Solution

The fourth proportional to 190,492.83, 285,665.22 and 101,697.84 is: 152,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,492.83 : 285,665.22 = 101,697.84 : x
  2. Step 2: Convert to fraction form
    190,492.83/285,665.22 = 101,697.84/x
  3. Step 3: Cross multiply
    190,492.83x = 285,665.22 × 101,697.84
  4. Step 4: Simplify right side
    190,492.83x = 29,051,535,837.12
  5. Step 5: Solve for x
    x = 29,051,535,837.12/190,492.83
  6. Step 6: Final answer
    x = 152,507.24

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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.