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Finding the Fourth Proportional to 236,160, 354,240 and 61,056

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Solution

The fourth proportional to 236,160, 354,240 and 61,056 is: 91,584

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,160 : 354,240 = 61,056 : x
  2. Step 2: Convert to fraction form
    236,160/354,240 = 61,056/x
  3. Step 3: Cross multiply
    236,160x = 354,240 × 61,056
  4. Step 4: Simplify right side
    236,160x = 21,628,477,440
  5. Step 5: Solve for x
    x = 21,628,477,440/236,160
  6. Step 6: Final answer
    x = 91,584

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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.