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Finding the Fourth Proportional to 152,628.80, 228,505.80 and 148,254.80

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Solution

The fourth proportional to 152,628.80, 228,505.80 and 148,254.80 is: 221,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,628.80 : 228,505.80 = 148,254.80 : x
  2. Step 2: Convert to fraction form
    152,628.80/228,505.80 = 148,254.80/x
  3. Step 3: Cross multiply
    152,628.80x = 228,505.80 × 148,254.80
  4. Step 4: Simplify right side
    152,628.80x = 33,877,081,677.84
  5. Step 5: Solve for x
    x = 33,877,081,677.84/152,628.80
  6. Step 6: Final answer
    x = 221,957.33

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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.