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Finding the Fourth Proportional to 164,597,974.80, 246,645,019.80 and 155,528,048.40

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Solution

The fourth proportional to 164,597,974.80, 246,645,019.80 and 155,528,048.40 is: 233,054,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,597,974.80 : 246,645,019.80 = 155,528,048.40 : x
  2. Step 2: Convert to fraction form
    164,597,974.80/246,645,019.80 = 155,528,048.40/x
  3. Step 3: Cross multiply
    164,597,974.80x = 246,645,019.80 × 155,528,048.40
  4. Step 4: Simplify right side
    164,597,974.80x = 38,360,218,577,073,360
  5. Step 5: Solve for x
    x = 38,360,218,577,073,360/164,597,974.80
  6. Step 6: Final answer
    x = 233,054,013.11

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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.