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Finding the Fourth Proportional to 111,303.40, 153,598.40 and 60,317.54

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Solution

The fourth proportional to 111,303.40, 153,598.40 and 60,317.54 is: 83,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,303.40 : 153,598.40 = 60,317.54 : x
  2. Step 2: Convert to fraction form
    111,303.40/153,598.40 = 60,317.54/x
  3. Step 3: Cross multiply
    111,303.40x = 153,598.40 × 60,317.54
  4. Step 4: Simplify right side
    111,303.40x = 9,264,677,635.94
  5. Step 5: Solve for x
    x = 9,264,677,635.94/111,303.40
  6. Step 6: Final answer
    x = 83,238.05

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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.