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Finding the Fourth Proportional to 95,430.60, 143,030.70 and 48,659.40

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Solution

The fourth proportional to 95,430.60, 143,030.70 and 48,659.40 is: 72,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,430.60 : 143,030.70 = 48,659.40 : x
  2. Step 2: Convert to fraction form
    95,430.60/143,030.70 = 48,659.40/x
  3. Step 3: Cross multiply
    95,430.60x = 143,030.70 × 48,659.40
  4. Step 4: Simplify right side
    95,430.60x = 6,959,788,043.58
  5. Step 5: Solve for x
    x = 6,959,788,043.58/95,430.60
  6. Step 6: Final answer
    x = 72,930.36

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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.