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Finding the Fourth Proportional to 124,455,842.55, 186,325,041.15 and 124,455,842.55

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Solution

The fourth proportional to 124,455,842.55, 186,325,041.15 and 124,455,842.55 is: 186,325,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,455,842.55 : 186,325,041.15 = 124,455,842.55 : x
  2. Step 2: Convert to fraction form
    124,455,842.55/186,325,041.15 = 124,455,842.55/x
  3. Step 3: Cross multiply
    124,455,842.55x = 186,325,041.15 × 124,455,842.55
  4. Step 4: Simplify right side
    124,455,842.55x = 23,189,239,984,486,672
  5. Step 5: Solve for x
    x = 23,189,239,984,486,672/124,455,842.55
  6. Step 6: Final answer
    x = 186,325,041.15

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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.