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Finding the Fourth Proportional to 152,602.74, 210,594.29 and 84,622.57

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Solution

The fourth proportional to 152,602.74, 210,594.29 and 84,622.57 is: 116,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,602.74 : 210,594.29 = 84,622.57 : x
  2. Step 2: Convert to fraction form
    152,602.74/210,594.29 = 84,622.57/x
  3. Step 3: Cross multiply
    152,602.74x = 210,594.29 × 84,622.57
  4. Step 4: Simplify right side
    152,602.74x = 17,821,030,047.13
  5. Step 5: Solve for x
    x = 17,821,030,047.13/152,602.74
  6. Step 6: Final answer
    x = 116,780.54

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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.