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Finding the Fourth Proportional to 155,526.64, 214,627.08 and 88,458.64

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Solution

The fourth proportional to 155,526.64, 214,627.08 and 88,458.64 is: 122,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,526.64 : 214,627.08 = 88,458.64 : x
  2. Step 2: Convert to fraction form
    155,526.64/214,627.08 = 88,458.64/x
  3. Step 3: Cross multiply
    155,526.64x = 214,627.08 × 88,458.64
  4. Step 4: Simplify right side
    155,526.64x = 18,985,619,603.97
  5. Step 5: Solve for x
    x = 18,985,619,603.97/155,526.64
  6. Step 6: Final answer
    x = 122,073.10

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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.