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Finding the Fourth Proportional to 152,045.80, 228,068.70 and 144,788.20

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Solution

The fourth proportional to 152,045.80, 228,068.70 and 144,788.20 is: 217,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,045.80 : 228,068.70 = 144,788.20 : x
  2. Step 2: Convert to fraction form
    152,045.80/228,068.70 = 144,788.20/x
  3. Step 3: Cross multiply
    152,045.80x = 228,068.70 × 144,788.20
  4. Step 4: Simplify right side
    152,045.80x = 33,021,656,549.34
  5. Step 5: Solve for x
    x = 33,021,656,549.34/152,045.80
  6. Step 6: Final answer
    x = 217,182.30

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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.