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Finding the Fourth Proportional to 173,345.80, 260,018.70 and 151,918.60

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Solution

The fourth proportional to 173,345.80, 260,018.70 and 151,918.60 is: 227,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,345.80 : 260,018.70 = 151,918.60 : x
  2. Step 2: Convert to fraction form
    173,345.80/260,018.70 = 151,918.60/x
  3. Step 3: Cross multiply
    173,345.80x = 260,018.70 × 151,918.60
  4. Step 4: Simplify right side
    173,345.80x = 39,501,676,877.82
  5. Step 5: Solve for x
    x = 39,501,676,877.82/173,345.80
  6. Step 6: Final answer
    x = 227,877.90

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1.5x scale

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.