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Finding the Fourth Proportional to 186,509,871.60, 279,764,807.40 and 175,163,132.40

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Solution

The fourth proportional to 186,509,871.60, 279,764,807.40 and 175,163,132.40 is: 262,744,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,509,871.60 : 279,764,807.40 = 175,163,132.40 : x
  2. Step 2: Convert to fraction form
    186,509,871.60/279,764,807.40 = 175,163,132.40/x
  3. Step 3: Cross multiply
    186,509,871.60x = 279,764,807.40 × 175,163,132.40
  4. Step 4: Simplify right side
    186,509,871.60x = 49,004,479,999,466,696
  5. Step 5: Solve for x
    x = 49,004,479,999,466,696/186,509,871.60
  6. Step 6: Final answer
    x = 262,744,698.60

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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.