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Finding the Fourth Proportional to 229,185.50, 316,269.95 and 127,210.68

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Solution

The fourth proportional to 229,185.50, 316,269.95 and 127,210.68 is: 175,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,185.50 : 316,269.95 = 127,210.68 : x
  2. Step 2: Convert to fraction form
    229,185.50/316,269.95 = 127,210.68/x
  3. Step 3: Cross multiply
    229,185.50x = 316,269.95 × 127,210.68
  4. Step 4: Simplify right side
    229,185.50x = 40,232,914,767.01
  5. Step 5: Solve for x
    x = 40,232,914,767.01/229,185.50
  6. Step 6: Final answer
    x = 175,547.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.