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Finding the Fourth Proportional to 155,776.24, 214,970.96 and 88,708.24

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Solution

The fourth proportional to 155,776.24, 214,970.96 and 88,708.24 is: 122,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,776.24 : 214,970.96 = 88,708.24 : x
  2. Step 2: Convert to fraction form
    155,776.24/214,970.96 = 88,708.24/x
  3. Step 3: Cross multiply
    155,776.24x = 214,970.96 × 88,708.24
  4. Step 4: Simplify right side
    155,776.24x = 19,069,695,512.71
  5. Step 5: Solve for x
    x = 19,069,695,512.71/155,776.24
  6. Step 6: Final answer
    x = 122,417.23

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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.