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Finding the Fourth Proportional to 346,748.16, 520,163.93 and 122,061.93

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Solution

The fourth proportional to 346,748.16, 520,163.93 and 122,061.93 is: 183,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,748.16 : 520,163.93 = 122,061.93 : x
  2. Step 2: Convert to fraction form
    346,748.16/520,163.93 = 122,061.93/x
  3. Step 3: Cross multiply
    346,748.16x = 520,163.93 × 122,061.93
  4. Step 4: Simplify right side
    346,748.16x = 63,492,213,212.18
  5. Step 5: Solve for x
    x = 63,492,213,212.18/346,748.16
  6. Step 6: Final answer
    x = 183,107.57

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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.