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Finding the Fourth Proportional to 130,038.60, 182,447.70 and 130,038.60

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Solution

The fourth proportional to 130,038.60, 182,447.70 and 130,038.60 is: 182,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,038.60 : 182,447.70 = 130,038.60 : x
  2. Step 2: Convert to fraction form
    130,038.60/182,447.70 = 130,038.60/x
  3. Step 3: Cross multiply
    130,038.60x = 182,447.70 × 130,038.60
  4. Step 4: Simplify right side
    130,038.60x = 23,725,243,481.22
  5. Step 5: Solve for x
    x = 23,725,243,481.22/130,038.60
  6. Step 6: Final answer
    x = 182,447.70

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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.