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Finding the Fourth Proportional to 166,513.60, 249,802.80 and 48,188.80

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Solution

The fourth proportional to 166,513.60, 249,802.80 and 48,188.80 is: 72,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,513.60 : 249,802.80 = 48,188.80 : x
  2. Step 2: Convert to fraction form
    166,513.60/249,802.80 = 48,188.80/x
  3. Step 3: Cross multiply
    166,513.60x = 249,802.80 × 48,188.80
  4. Step 4: Simplify right side
    166,513.60x = 12,037,697,168.64
  5. Step 5: Solve for x
    x = 12,037,697,168.64/166,513.60
  6. Step 6: Final answer
    x = 72,292.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.