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Finding the Fourth Proportional to 97,130.61, 145,657.61 and 47,195.93

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Solution

The fourth proportional to 97,130.61, 145,657.61 and 47,195.93 is: 70,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,130.61 : 145,657.61 = 47,195.93 : x
  2. Step 2: Convert to fraction form
    97,130.61/145,657.61 = 47,195.93/x
  3. Step 3: Cross multiply
    97,130.61x = 145,657.61 × 47,195.93
  4. Step 4: Simplify right side
    97,130.61x = 6,874,446,670.68
  5. Step 5: Solve for x
    x = 6,874,446,670.68/97,130.61
  6. Step 6: Final answer
    x = 70,775.29

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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.