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Finding the Fourth Proportional to 154,403.04, 211,130.54 and 154,403.04

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Solution

The fourth proportional to 154,403.04, 211,130.54 and 154,403.04 is: 211,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,403.04 : 211,130.54 = 154,403.04 : x
  2. Step 2: Convert to fraction form
    154,403.04/211,130.54 = 154,403.04/x
  3. Step 3: Cross multiply
    154,403.04x = 211,130.54 × 154,403.04
  4. Step 4: Simplify right side
    154,403.04x = 32,599,197,212.84
  5. Step 5: Solve for x
    x = 32,599,197,212.84/154,403.04
  6. Step 6: Final answer
    x = 211,130.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.