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Finding the Fourth Proportional to 124,557,327.60, 186,835,991.40 and 124,557,327.60

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Solution

The fourth proportional to 124,557,327.60, 186,835,991.40 and 124,557,327.60 is: 186,835,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,557,327.60 : 186,835,991.40 = 124,557,327.60 : x
  2. Step 2: Convert to fraction form
    124,557,327.60/186,835,991.40 = 124,557,327.60/x
  3. Step 3: Cross multiply
    124,557,327.60x = 186,835,991.40 × 124,557,327.60
  4. Step 4: Simplify right side
    124,557,327.60x = 23,271,791,788,280,584
  5. Step 5: Solve for x
    x = 23,271,791,788,280,584/124,557,327.60
  6. Step 6: Final answer
    x = 186,835,991.40

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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.