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Finding the Fourth Proportional to 334,056.80, 501,085.20 and 97,423.40

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Solution

The fourth proportional to 334,056.80, 501,085.20 and 97,423.40 is: 146,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,056.80 : 501,085.20 = 97,423.40 : x
  2. Step 2: Convert to fraction form
    334,056.80/501,085.20 = 97,423.40/x
  3. Step 3: Cross multiply
    334,056.80x = 501,085.20 × 97,423.40
  4. Step 4: Simplify right side
    334,056.80x = 48,817,423,873.68
  5. Step 5: Solve for x
    x = 48,817,423,873.68/334,056.80
  6. Step 6: Final answer
    x = 146,135.10

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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.