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Finding the Fourth Proportional to 157,464,308.80, 235,771,310.40 and 157,464,308.80

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Solution

The fourth proportional to 157,464,308.80, 235,771,310.40 and 157,464,308.80 is: 235,771,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,308.80 : 235,771,310.40 = 157,464,308.80 : x
  2. Step 2: Convert to fraction form
    157,464,308.80/235,771,310.40 = 157,464,308.80/x
  3. Step 3: Cross multiply
    157,464,308.80x = 235,771,310.40 × 157,464,308.80
  4. Step 4: Simplify right side
    157,464,308.80x = 37,125,566,427,006,256
  5. Step 5: Solve for x
    x = 37,125,566,427,006,256/157,464,308.80
  6. Step 6: Final answer
    x = 235,771,310.40

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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.