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Finding the Fourth Proportional to 219,259.80, 302,579.46 and 118,657.80

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Solution

The fourth proportional to 219,259.80, 302,579.46 and 118,657.80 is: 163,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,259.80 : 302,579.46 = 118,657.80 : x
  2. Step 2: Convert to fraction form
    219,259.80/302,579.46 = 118,657.80/x
  3. Step 3: Cross multiply
    219,259.80x = 302,579.46 × 118,657.80
  4. Step 4: Simplify right side
    219,259.80x = 35,903,413,048.79
  5. Step 5: Solve for x
    x = 35,903,413,048.79/219,259.80
  6. Step 6: Final answer
    x = 163,748.27

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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.