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Finding the Fourth Proportional to 210,373.66, 290,340.48 and 118,495.95

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Solution

The fourth proportional to 210,373.66, 290,340.48 and 118,495.95 is: 163,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,373.66 : 290,340.48 = 118,495.95 : x
  2. Step 2: Convert to fraction form
    210,373.66/290,340.48 = 118,495.95/x
  3. Step 3: Cross multiply
    210,373.66x = 290,340.48 × 118,495.95
  4. Step 4: Simplify right side
    210,373.66x = 34,404,171,001.06
  5. Step 5: Solve for x
    x = 34,404,171,001.06/210,373.66
  6. Step 6: Final answer
    x = 163,538.40

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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.