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Finding the Fourth Proportional to 166,154.60, 249,231.90 and 155,000.90

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Solution

The fourth proportional to 166,154.60, 249,231.90 and 155,000.90 is: 232,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,154.60 : 249,231.90 = 155,000.90 : x
  2. Step 2: Convert to fraction form
    166,154.60/249,231.90 = 155,000.90/x
  3. Step 3: Cross multiply
    166,154.60x = 249,231.90 × 155,000.90
  4. Step 4: Simplify right side
    166,154.60x = 38,631,168,808.71
  5. Step 5: Solve for x
    x = 38,631,168,808.71/166,154.60
  6. Step 6: Final answer
    x = 232,501.35

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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.