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Finding the Fourth Proportional to 229,355.96, 316,518.59 and 127,382.63

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Solution

The fourth proportional to 229,355.96, 316,518.59 and 127,382.63 is: 175,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,355.96 : 316,518.59 = 127,382.63 : x
  2. Step 2: Convert to fraction form
    229,355.96/316,518.59 = 127,382.63/x
  3. Step 3: Cross multiply
    229,355.96x = 316,518.59 × 127,382.63
  4. Step 4: Simplify right side
    229,355.96x = 40,318,971,547.84
  5. Step 5: Solve for x
    x = 40,318,971,547.84/229,355.96
  6. Step 6: Final answer
    x = 175,792.13

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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.