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Finding the Fourth Proportional to 164,597,968.80, 246,645,010.80 and 155,528,042.40

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Solution

The fourth proportional to 164,597,968.80, 246,645,010.80 and 155,528,042.40 is: 233,054,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,597,968.80 : 246,645,010.80 = 155,528,042.40 : x
  2. Step 2: Convert to fraction form
    164,597,968.80/246,645,010.80 = 155,528,042.40/x
  3. Step 3: Cross multiply
    164,597,968.80x = 246,645,010.80 × 155,528,042.40
  4. Step 4: Simplify right side
    164,597,968.80x = 38,360,215,697,450,864
  5. Step 5: Solve for x
    x = 38,360,215,697,450,864/164,597,968.80
  6. Step 6: Final answer
    x = 233,054,004.11

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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.