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Finding the Fourth Proportional to 160,740.98, 241,121.49 and 42,412.43

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Solution

The fourth proportional to 160,740.98, 241,121.49 and 42,412.43 is: 63,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,740.98 : 241,121.49 = 42,412.43 : x
  2. Step 2: Convert to fraction form
    160,740.98/241,121.49 = 42,412.43/x
  3. Step 3: Cross multiply
    160,740.98x = 241,121.49 × 42,412.43
  4. Step 4: Simplify right side
    160,740.98x = 10,226,547,110.51
  5. Step 5: Solve for x
    x = 10,226,547,110.51/160,740.98
  6. Step 6: Final answer
    x = 63,621.28

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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.