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Finding the Fourth Proportional to 164,038.98, 245,970.98 and 84,957.06

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Solution

The fourth proportional to 164,038.98, 245,970.98 and 84,957.06 is: 127,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,038.98 : 245,970.98 = 84,957.06 : x
  2. Step 2: Convert to fraction form
    164,038.98/245,970.98 = 84,957.06/x
  3. Step 3: Cross multiply
    164,038.98x = 245,970.98 × 84,957.06
  4. Step 4: Simplify right side
    164,038.98x = 20,896,971,306.12
  5. Step 5: Solve for x
    x = 20,896,971,306.12/164,038.98
  6. Step 6: Final answer
    x = 127,390.28

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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.