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Finding the Fourth Proportional to 152,030.40, 228,045.60 and 149,438.40

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Solution

The fourth proportional to 152,030.40, 228,045.60 and 149,438.40 is: 224,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,030.40 : 228,045.60 = 149,438.40 : x
  2. Step 2: Convert to fraction form
    152,030.40/228,045.60 = 149,438.40/x
  3. Step 3: Cross multiply
    152,030.40x = 228,045.60 × 149,438.40
  4. Step 4: Simplify right side
    152,030.40x = 34,078,769,591.04
  5. Step 5: Solve for x
    x = 34,078,769,591.04/152,030.40
  6. Step 6: Final answer
    x = 224,157.60

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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.