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Finding the Fourth Proportional to 152,468.83, 210,403.84 and 84,485.22

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Solution

The fourth proportional to 152,468.83, 210,403.84 and 84,485.22 is: 116,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,468.83 : 210,403.84 = 84,485.22 : x
  2. Step 2: Convert to fraction form
    152,468.83/210,403.84 = 84,485.22/x
  3. Step 3: Cross multiply
    152,468.83x = 210,403.84 × 84,485.22
  4. Step 4: Simplify right side
    152,468.83x = 17,776,014,711.24
  5. Step 5: Solve for x
    x = 17,776,014,711.24/152,468.83
  6. Step 6: Final answer
    x = 116,587.86

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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.