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Finding the Fourth Proportional to 346,101.30, 519,151.95 and 121,715.10

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Solution

The fourth proportional to 346,101.30, 519,151.95 and 121,715.10 is: 182,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,101.30 : 519,151.95 = 121,715.10 : x
  2. Step 2: Convert to fraction form
    346,101.30/519,151.95 = 121,715.10/x
  3. Step 3: Cross multiply
    346,101.30x = 519,151.95 × 121,715.10
  4. Step 4: Simplify right side
    346,101.30x = 63,188,631,509.45
  5. Step 5: Solve for x
    x = 63,188,631,509.45/346,101.30
  6. Step 6: Final answer
    x = 182,572.65

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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.