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Finding the Fourth Proportional to 334,088.40, 501,132.60 and 97,438.80

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Solution

The fourth proportional to 334,088.40, 501,132.60 and 97,438.80 is: 146,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,088.40 : 501,132.60 = 97,438.80 : x
  2. Step 2: Convert to fraction form
    334,088.40/501,132.60 = 97,438.80/x
  3. Step 3: Cross multiply
    334,088.40x = 501,132.60 × 97,438.80
  4. Step 4: Simplify right side
    334,088.40x = 48,829,759,184.88
  5. Step 5: Solve for x
    x = 48,829,759,184.88/334,088.40
  6. Step 6: Final answer
    x = 146,158.20

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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.