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Finding the Fourth Proportional to 191,017.50, 286,526.25 and 59,689.50

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Solution

The fourth proportional to 191,017.50, 286,526.25 and 59,689.50 is: 89,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,017.50 : 286,526.25 = 59,689.50 : x
  2. Step 2: Convert to fraction form
    191,017.50/286,526.25 = 59,689.50/x
  3. Step 3: Cross multiply
    191,017.50x = 286,526.25 × 59,689.50
  4. Step 4: Simplify right side
    191,017.50x = 17,102,608,599.38
  5. Step 5: Solve for x
    x = 17,102,608,599.38/191,017.50
  6. Step 6: Final answer
    x = 89,534.25

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Double scale
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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.