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Finding the Fourth Proportional to 152,355.96, 210,181.91 and 88,656.75

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Solution

The fourth proportional to 152,355.96, 210,181.91 and 88,656.75 is: 122,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,355.96 : 210,181.91 = 88,656.75 : x
  2. Step 2: Convert to fraction form
    152,355.96/210,181.91 = 88,656.75/x
  3. Step 3: Cross multiply
    152,355.96x = 210,181.91 × 88,656.75
  4. Step 4: Simplify right side
    152,355.96x = 18,634,044,606.11
  5. Step 5: Solve for x
    x = 18,634,044,606.11/152,355.96
  6. Step 6: Final answer
    x = 122,305.98

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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.