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Finding the Fourth Proportional to 161,907.45, 242,714.15 and 56,669.01

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Solution

The fourth proportional to 161,907.45, 242,714.15 and 56,669.01 is: 84,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,907.45 : 242,714.15 = 56,669.01 : x
  2. Step 2: Convert to fraction form
    161,907.45/242,714.15 = 56,669.01/x
  3. Step 3: Cross multiply
    161,907.45x = 242,714.15 × 56,669.01
  4. Step 4: Simplify right side
    161,907.45x = 13,754,370,593.49
  5. Step 5: Solve for x
    x = 13,754,370,593.49/161,907.45
  6. Step 6: Final answer
    x = 84,952.05

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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.