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Finding the Fourth Proportional to 100,602,410.30, 150,903,615.45 and 49,584,074.30

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Solution

The fourth proportional to 100,602,410.30, 150,903,615.45 and 49,584,074.30 is: 74,376,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,410.30 : 150,903,615.45 = 49,584,074.30 : x
  2. Step 2: Convert to fraction form
    100,602,410.30/150,903,615.45 = 49,584,074.30/x
  3. Step 3: Cross multiply
    100,602,410.30x = 150,903,615.45 × 49,584,074.30
  4. Step 4: Simplify right side
    100,602,410.30x = 7,482,416,080,611,427
  5. Step 5: Solve for x
    x = 7,482,416,080,611,427/100,602,410.30
  6. Step 6: Final answer
    x = 74,376,111.45

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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.