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Finding the Fourth Proportional to 145,792.35, 218,748.94 and 69,852.42

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Solution

The fourth proportional to 145,792.35, 218,748.94 and 69,852.42 is: 104,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,792.35 : 218,748.94 = 69,852.42 : x
  2. Step 2: Convert to fraction form
    145,792.35/218,748.94 = 69,852.42/x
  3. Step 3: Cross multiply
    145,792.35x = 218,748.94 × 69,852.42
  4. Step 4: Simplify right side
    145,792.35x = 15,280,142,656.80
  5. Step 5: Solve for x
    x = 15,280,142,656.80/145,792.35
  6. Step 6: Final answer
    x = 104,807.57

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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.