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Finding the Fourth Proportional to 230,890.90, 346,384.95 and 97,702.60

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Solution

The fourth proportional to 230,890.90, 346,384.95 and 97,702.60 is: 146,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,890.90 : 346,384.95 = 97,702.60 : x
  2. Step 2: Convert to fraction form
    230,890.90/346,384.95 = 97,702.60/x
  3. Step 3: Cross multiply
    230,890.90x = 346,384.95 × 97,702.60
  4. Step 4: Simplify right side
    230,890.90x = 33,842,710,215.87
  5. Step 5: Solve for x
    x = 33,842,710,215.87/230,890.90
  6. Step 6: Final answer
    x = 146,574.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.