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Finding the Fourth Proportional to 179,319,259.60, 268,978,889.40 and 106,759,848.40

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Solution

The fourth proportional to 179,319,259.60, 268,978,889.40 and 106,759,848.40 is: 160,139,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,319,259.60 : 268,978,889.40 = 106,759,848.40 : x
  2. Step 2: Convert to fraction form
    179,319,259.60/268,978,889.40 = 106,759,848.40/x
  3. Step 3: Cross multiply
    179,319,259.60x = 268,978,889.40 × 106,759,848.40
  4. Step 4: Simplify right side
    179,319,259.60x = 28,716,145,455,144,368
  5. Step 5: Solve for x
    x = 28,716,145,455,144,368/179,319,259.60
  6. Step 6: Final answer
    x = 160,139,772.60

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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.