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Finding the Fourth Proportional to 219,315.60, 302,656.04 and 118,713.68

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Solution

The fourth proportional to 219,315.60, 302,656.04 and 118,713.68 is: 163,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,315.60 : 302,656.04 = 118,713.68 : x
  2. Step 2: Convert to fraction form
    219,315.60/302,656.04 = 118,713.68/x
  3. Step 3: Cross multiply
    219,315.60x = 302,656.04 × 118,713.68
  4. Step 4: Simplify right side
    219,315.60x = 35,929,412,282.63
  5. Step 5: Solve for x
    x = 35,929,412,282.63/219,315.60
  6. Step 6: Final answer
    x = 163,825.16

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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.