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Finding the Fourth Proportional to 124,416.12, 171,696.12 and 70,702.32

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Solution

The fourth proportional to 124,416.12, 171,696.12 and 70,702.32 is: 97,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416.12 : 171,696.12 = 70,702.32 : x
  2. Step 2: Convert to fraction form
    124,416.12/171,696.12 = 70,702.32/x
  3. Step 3: Cross multiply
    124,416.12x = 171,696.12 × 70,702.32
  4. Step 4: Simplify right side
    124,416.12x = 12,139,314,019.00
  5. Step 5: Solve for x
    x = 12,139,314,019.00/124,416.12
  6. Step 6: Final answer
    x = 97,570.27

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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.