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Finding the Fourth Proportional to 58,458,877.40, 87,688,316.10 and 58,458,877.40

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Solution

The fourth proportional to 58,458,877.40, 87,688,316.10 and 58,458,877.40 is: 87,688,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,458,877.40 : 87,688,316.10 = 58,458,877.40 : x
  2. Step 2: Convert to fraction form
    58,458,877.40/87,688,316.10 = 58,458,877.40/x
  3. Step 3: Cross multiply
    58,458,877.40x = 87,688,316.10 × 58,458,877.40
  4. Step 4: Simplify right side
    58,458,877.40x = 5,126,160,520,302,346
  5. Step 5: Solve for x
    x = 5,126,160,520,302,346/58,458,877.40
  6. Step 6: Final answer
    x = 87,688,316.10

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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.