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Finding the Fourth Proportional to 152,999.40, 228,980.70 and 152,999.40

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Solution

The fourth proportional to 152,999.40, 228,980.70 and 152,999.40 is: 228,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,999.40 : 228,980.70 = 152,999.40 : x
  2. Step 2: Convert to fraction form
    152,999.40/228,980.70 = 152,999.40/x
  3. Step 3: Cross multiply
    152,999.40x = 228,980.70 × 152,999.40
  4. Step 4: Simplify right side
    152,999.40x = 35,033,909,711.58
  5. Step 5: Solve for x
    x = 35,033,909,711.58/152,999.40
  6. Step 6: Final answer
    x = 228,980.70

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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.