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Finding the Fourth Proportional to 233,912.60, 351,041.70 and 155,000.60

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Solution

The fourth proportional to 233,912.60, 351,041.70 and 155,000.60 is: 232,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,912.60 : 351,041.70 = 155,000.60 : x
  2. Step 2: Convert to fraction form
    233,912.60/351,041.70 = 155,000.60/x
  3. Step 3: Cross multiply
    233,912.60x = 351,041.70 × 155,000.60
  4. Step 4: Simplify right side
    233,912.60x = 54,411,674,125.02
  5. Step 5: Solve for x
    x = 54,411,674,125.02/233,912.60
  6. Step 6: Final answer
    x = 232,615.40

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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.