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Finding the Fourth Proportional to 223,420.60, 308,024.18 and 185,038.75

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Solution

The fourth proportional to 223,420.60, 308,024.18 and 185,038.75 is: 255,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,420.60 : 308,024.18 = 185,038.75 : x
  2. Step 2: Convert to fraction form
    223,420.60/308,024.18 = 185,038.75/x
  3. Step 3: Cross multiply
    223,420.60x = 308,024.18 × 185,038.75
  4. Step 4: Simplify right side
    223,420.60x = 56,996,408,698.91
  5. Step 5: Solve for x
    x = 56,996,408,698.91/223,420.60
  6. Step 6: Final answer
    x = 255,108.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.