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Finding the Fourth Proportional to 346,925.45, 520,585.01 and 136,711.01

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Solution

The fourth proportional to 346,925.45, 520,585.01 and 136,711.01 is: 205,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,925.45 : 520,585.01 = 136,711.01 : x
  2. Step 2: Convert to fraction form
    346,925.45/520,585.01 = 136,711.01/x
  3. Step 3: Cross multiply
    346,925.45x = 520,585.01 × 136,711.01
  4. Step 4: Simplify right side
    346,925.45x = 71,169,704,151.20
  5. Step 5: Solve for x
    x = 71,169,704,151.20/346,925.45
  6. Step 6: Final answer
    x = 205,144.08

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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.