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Finding the Fourth Proportional to 159,849,303.60, 239,773,955.40 and 108,193,238.40

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Solution

The fourth proportional to 159,849,303.60, 239,773,955.40 and 108,193,238.40 is: 162,289,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,849,303.60 : 239,773,955.40 = 108,193,238.40 : x
  2. Step 2: Convert to fraction form
    159,849,303.60/239,773,955.40 = 108,193,238.40/x
  3. Step 3: Cross multiply
    159,849,303.60x = 239,773,955.40 × 108,193,238.40
  4. Step 4: Simplify right side
    159,849,303.60x = 25,941,920,718,703,168
  5. Step 5: Solve for x
    x = 25,941,920,718,703,168/159,849,303.60
  6. Step 6: Final answer
    x = 162,289,857.60

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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.