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Finding the Fourth Proportional to 152,248.37, 210,079.58 and 86,837.76

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Solution

The fourth proportional to 152,248.37, 210,079.58 and 86,837.76 is: 119,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,248.37 : 210,079.58 = 86,837.76 : x
  2. Step 2: Convert to fraction form
    152,248.37/210,079.58 = 86,837.76/x
  3. Step 3: Cross multiply
    152,248.37x = 210,079.58 × 86,837.76
  4. Step 4: Simplify right side
    152,248.37x = 18,242,839,714.75
  5. Step 5: Solve for x
    x = 18,242,839,714.75/152,248.37
  6. Step 6: Final answer
    x = 119,822.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.