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Finding the Fourth Proportional to 152,346.94, 210,235.44 and 88,683.40

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Solution

The fourth proportional to 152,346.94, 210,235.44 and 88,683.40 is: 122,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,346.94 : 210,235.44 = 88,683.40 : x
  2. Step 2: Convert to fraction form
    152,346.94/210,235.44 = 88,683.40/x
  3. Step 3: Cross multiply
    152,346.94x = 210,235.44 × 88,683.40
  4. Step 4: Simplify right side
    152,346.94x = 18,644,393,619.70
  5. Step 5: Solve for x
    x = 18,644,393,619.70/152,346.94
  6. Step 6: Final answer
    x = 122,381.15

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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.