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Finding the Fourth Proportional to 229,419.03, 316,602.32 and 127,453.71

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Solution

The fourth proportional to 229,419.03, 316,602.32 and 127,453.71 is: 175,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,419.03 : 316,602.32 = 127,453.71 : x
  2. Step 2: Convert to fraction form
    229,419.03/316,602.32 = 127,453.71/x
  3. Step 3: Cross multiply
    229,419.03x = 316,602.32 × 127,453.71
  4. Step 4: Simplify right side
    229,419.03x = 40,352,139,641.34
  5. Step 5: Solve for x
    x = 40,352,139,641.34/229,419.03
  6. Step 6: Final answer
    x = 175,888.37

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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.