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Finding the Fourth Proportional to 229,031.01, 316,063.59 and 127,058.49

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Solution

The fourth proportional to 229,031.01, 316,063.59 and 127,058.49 is: 175,341.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,031.01 : 316,063.59 = 127,058.49 : x
  2. Step 2: Convert to fraction form
    229,031.01/316,063.59 = 127,058.49/x
  3. Step 3: Cross multiply
    229,031.01x = 316,063.59 × 127,058.49
  4. Step 4: Simplify right side
    229,031.01x = 40,158,562,489.38
  5. Step 5: Solve for x
    x = 40,158,562,489.38/229,031.01
  6. Step 6: Final answer
    x = 175,341.16

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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.