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Finding the Fourth Proportional to 236,352, 354,528 and 70,140

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Solution

The fourth proportional to 236,352, 354,528 and 70,140 is: 105,210

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,352 : 354,528 = 70,140 : x
  2. Step 2: Convert to fraction form
    236,352/354,528 = 70,140/x
  3. Step 3: Cross multiply
    236,352x = 354,528 × 70,140
  4. Step 4: Simplify right side
    236,352x = 24,866,593,920
  5. Step 5: Solve for x
    x = 24,866,593,920/236,352
  6. Step 6: Final answer
    x = 105,210

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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.