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Finding the Fourth Proportional to 157,087.60, 235,631.40 and 157,087.60

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Solution

The fourth proportional to 157,087.60, 235,631.40 and 157,087.60 is: 235,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,087.60 : 235,631.40 = 157,087.60 : x
  2. Step 2: Convert to fraction form
    157,087.60/235,631.40 = 157,087.60/x
  3. Step 3: Cross multiply
    157,087.60x = 235,631.40 × 157,087.60
  4. Step 4: Simplify right side
    157,087.60x = 37,014,771,110.64
  5. Step 5: Solve for x
    x = 37,014,771,110.64/157,087.60
  6. Step 6: Final answer
    x = 235,631.40

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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.