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Finding the Fourth Proportional to 157,759, 236,646.18 and 46,951.96

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Solution

The fourth proportional to 157,759, 236,646.18 and 46,951.96 is: 70,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,759 : 236,646.18 = 46,951.96 : x
  2. Step 2: Convert to fraction form
    157,759/236,646.18 = 46,951.96/x
  3. Step 3: Cross multiply
    157,759x = 236,646.18 × 46,951.96
  4. Step 4: Simplify right side
    157,759x = 11,111,001,977.51
  5. Step 5: Solve for x
    x = 11,111,001,977.51/157,759
  6. Step 6: Final answer
    x = 70,430.23

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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.