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Finding the Fourth Proportional to 145,603.68, 218,366.16 and 62,478.24

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Solution

The fourth proportional to 145,603.68, 218,366.16 and 62,478.24 is: 93,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,603.68 : 218,366.16 = 62,478.24 : x
  2. Step 2: Convert to fraction form
    145,603.68/218,366.16 = 62,478.24/x
  3. Step 3: Cross multiply
    145,603.68x = 218,366.16 × 62,478.24
  4. Step 4: Simplify right side
    145,603.68x = 13,643,133,352.36
  5. Step 5: Solve for x
    x = 13,643,133,352.36/145,603.68
  6. Step 6: Final answer
    x = 93,700.47

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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.