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Finding the Fourth Proportional to 152,706.34, 210,756.54 and 88,162.68

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Solution

The fourth proportional to 152,706.34, 210,756.54 and 88,162.68 is: 121,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,706.34 : 210,756.54 = 88,162.68 : x
  2. Step 2: Convert to fraction form
    152,706.34/210,756.54 = 88,162.68/x
  3. Step 3: Cross multiply
    152,706.34x = 210,756.54 × 88,162.68
  4. Step 4: Simplify right side
    152,706.34x = 18,580,861,393.93
  5. Step 5: Solve for x
    x = 18,580,861,393.93/152,706.34
  6. Step 6: Final answer
    x = 121,677.08

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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.