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Finding the Fourth Proportional to 117,798.30, 164,567.70 and 117,798.30

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Solution

The fourth proportional to 117,798.30, 164,567.70 and 117,798.30 is: 164,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,798.30 : 164,567.70 = 117,798.30 : x
  2. Step 2: Convert to fraction form
    117,798.30/164,567.70 = 117,798.30/x
  3. Step 3: Cross multiply
    117,798.30x = 164,567.70 × 117,798.30
  4. Step 4: Simplify right side
    117,798.30x = 19,385,795,294.91
  5. Step 5: Solve for x
    x = 19,385,795,294.91/117,798.30
  6. Step 6: Final answer
    x = 164,567.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.