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Finding the Fourth Proportional to 191,015.48, 286,557.80 and 62,938.60

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Solution

The fourth proportional to 191,015.48, 286,557.80 and 62,938.60 is: 94,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,015.48 : 286,557.80 = 62,938.60 : x
  2. Step 2: Convert to fraction form
    191,015.48/286,557.80 = 62,938.60/x
  3. Step 3: Cross multiply
    191,015.48x = 286,557.80 × 62,938.60
  4. Step 4: Simplify right side
    191,015.48x = 18,035,546,751.08
  5. Step 5: Solve for x
    x = 18,035,546,751.08/191,015.48
  6. Step 6: Final answer
    x = 94,419.30

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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.