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Finding the Fourth Proportional to 368,592,807.60, 552,889,211.40 and 95,963,574.60

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Solution

The fourth proportional to 368,592,807.60, 552,889,211.40 and 95,963,574.60 is: 143,945,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,592,807.60 : 552,889,211.40 = 95,963,574.60 : x
  2. Step 2: Convert to fraction form
    368,592,807.60/552,889,211.40 = 95,963,574.60/x
  3. Step 3: Cross multiply
    368,592,807.60x = 552,889,211.40 × 95,963,574.60
  4. Step 4: Simplify right side
    368,592,807.60x = 53,057,225,083,719,064
  5. Step 5: Solve for x
    x = 53,057,225,083,719,064/368,592,807.60
  6. Step 6: Final answer
    x = 143,945,361.90

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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.