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Finding the Fourth Proportional to 243,526, 336,042.30 and 152,852.98

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Solution

The fourth proportional to 243,526, 336,042.30 and 152,852.98 is: 210,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,526 : 336,042.30 = 152,852.98 : x
  2. Step 2: Convert to fraction form
    243,526/336,042.30 = 152,852.98/x
  3. Step 3: Cross multiply
    243,526x = 336,042.30 × 152,852.98
  4. Step 4: Simplify right side
    243,526x = 51,365,066,961.05
  5. Step 5: Solve for x
    x = 51,365,066,961.05/243,526
  6. Step 6: Final answer
    x = 210,922.31

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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.