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Finding the Fourth Proportional to 348,113.16, 522,174.60 and 98,795.16

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Solution

The fourth proportional to 348,113.16, 522,174.60 and 98,795.16 is: 148,194.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,113.16 : 522,174.60 = 98,795.16 : x
  2. Step 2: Convert to fraction form
    348,113.16/522,174.60 = 98,795.16/x
  3. Step 3: Cross multiply
    348,113.16x = 522,174.60 × 98,795.16
  4. Step 4: Simplify right side
    348,113.16x = 51,588,323,154.94
  5. Step 5: Solve for x
    x = 51,588,323,154.94/348,113.16
  6. Step 6: Final answer
    x = 148,194.12

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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.