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Finding the Fourth Proportional to 161,312.60, 241,968.90 and 62,816.60

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Solution

The fourth proportional to 161,312.60, 241,968.90 and 62,816.60 is: 94,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,312.60 : 241,968.90 = 62,816.60 : x
  2. Step 2: Convert to fraction form
    161,312.60/241,968.90 = 62,816.60/x
  3. Step 3: Cross multiply
    161,312.60x = 241,968.90 × 62,816.60
  4. Step 4: Simplify right side
    161,312.60x = 15,199,663,603.74
  5. Step 5: Solve for x
    x = 15,199,663,603.74/161,312.60
  6. Step 6: Final answer
    x = 94,224.90

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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.