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Finding the Fourth Proportional to 152,064.06, 209,841.93 and 88,396.98

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Solution

The fourth proportional to 152,064.06, 209,841.93 and 88,396.98 is: 121,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,064.06 : 209,841.93 = 88,396.98 : x
  2. Step 2: Convert to fraction form
    152,064.06/209,841.93 = 88,396.98/x
  3. Step 3: Cross multiply
    152,064.06x = 209,841.93 × 88,396.98
  4. Step 4: Simplify right side
    152,064.06x = 18,549,392,889.37
  5. Step 5: Solve for x
    x = 18,549,392,889.37/152,064.06
  6. Step 6: Final answer
    x = 121,984.07

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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.