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Finding the Fourth Proportional to 157,014.59, 216,603.86 and 93,307.28

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Solution

The fourth proportional to 157,014.59, 216,603.86 and 93,307.28 is: 128,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,014.59 : 216,603.86 = 93,307.28 : x
  2. Step 2: Convert to fraction form
    157,014.59/216,603.86 = 93,307.28/x
  3. Step 3: Cross multiply
    157,014.59x = 216,603.86 × 93,307.28
  4. Step 4: Simplify right side
    157,014.59x = 20,210,715,464.55
  5. Step 5: Solve for x
    x = 20,210,715,464.55/157,014.59
  6. Step 6: Final answer
    x = 128,718.71

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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.