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Finding the Fourth Proportional to 243,518.60, 335,838.07 and 152,883.02

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Solution

The fourth proportional to 243,518.60, 335,838.07 and 152,883.02 is: 210,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,518.60 : 335,838.07 = 152,883.02 : x
  2. Step 2: Convert to fraction form
    243,518.60/335,838.07 = 152,883.02/x
  3. Step 3: Cross multiply
    243,518.60x = 335,838.07 × 152,883.02
  4. Step 4: Simplify right side
    243,518.60x = 51,343,938,372.57
  5. Step 5: Solve for x
    x = 51,343,938,372.57/243,518.60
  6. Step 6: Final answer
    x = 210,841.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.