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Finding the Fourth Proportional to 162,259.08, 225,063.09 and 157,943.40

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Solution

The fourth proportional to 162,259.08, 225,063.09 and 157,943.40 is: 219,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,259.08 : 225,063.09 = 157,943.40 : x
  2. Step 2: Convert to fraction form
    162,259.08/225,063.09 = 157,943.40/x
  3. Step 3: Cross multiply
    162,259.08x = 225,063.09 × 157,943.40
  4. Step 4: Simplify right side
    162,259.08x = 35,547,229,649.11
  5. Step 5: Solve for x
    x = 35,547,229,649.11/162,259.08
  6. Step 6: Final answer
    x = 219,076.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.