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Finding the Fourth Proportional to 38,171,429.70, 53,326,627.50 and 38,171,429.70

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Solution

The fourth proportional to 38,171,429.70, 53,326,627.50 and 38,171,429.70 is: 53,326,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171,429.70 : 53,326,627.50 = 38,171,429.70 : x
  2. Step 2: Convert to fraction form
    38,171,429.70/53,326,627.50 = 38,171,429.70/x
  3. Step 3: Cross multiply
    38,171,429.70x = 53,326,627.50 × 38,171,429.70
  4. Step 4: Simplify right side
    38,171,429.70x = 2,035,553,612,754,337
  5. Step 5: Solve for x
    x = 2,035,553,612,754,337/38,171,429.70
  6. Step 6: Final answer
    x = 53,326,627.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.