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Finding the Fourth Proportional to 346,068.96, 519,173.28 and 146,389.92

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Solution

The fourth proportional to 346,068.96, 519,173.28 and 146,389.92 is: 219,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,068.96 : 519,173.28 = 146,389.92 : x
  2. Step 2: Convert to fraction form
    346,068.96/519,173.28 = 146,389.92/x
  3. Step 3: Cross multiply
    346,068.96x = 519,173.28 × 146,389.92
  4. Step 4: Simplify right side
    346,068.96x = 76,001,734,925.34
  5. Step 5: Solve for x
    x = 76,001,734,925.34/346,068.96
  6. Step 6: Final answer
    x = 219,614.42

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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.